The search engine automatically adds "and" between the words you enter so it only returns those pages that include all of your search terms. To restrict a search further, just include more terms. The results list also prefers pages in which related query terms are near each other.
The search engine does not support the logical "or" operator. It only returns pages that contain all the terms.Phrase Searches
You can search for phrases by adding quotation marks. Words enclosed in double quotes ("like this") will appear together in all returned documents (unless they are stop words, special common words that require a "+" sign -- see below).
Certain characters serve as phrase connectors. Hyphens, slashes, periods,
equal signs, and apostrophes are recognized as phrase connectors. Phrase connectors
work like quotes; for example, mother-in-law is treated as a phrase even if
the three words aren't in quotes. Hyphens between words link the words together as a phrase,
but a hyphen before a word is used to exclude a word.
See Plus Signs and Minus Signs.
The search engine does not use "stemming" or support the "wildcard" searches. It only searches for pages that exactly match your search terms.
You can try using different versions of your search terms. For example, if a search for "access server" didn't turn up what you were looking for, try "access servers" instead. Or you might try rephrasing your query. For example, searches on "high end routers" and "high performance routers" return different sets of results.
There is no way to search for pages containing either word A or word B. You can submit the query twice, once with word A and once with word B if you don't find your desired result the first time.Case Insensitive
Searches are not case sensitive. All letters, regardless of how you type them, will be understood as lower case. For example, searches for "LocalDirector", "localdirector", and "LoCaLdIrEcToR" will all return the same results.Stop Words
The search engine ignores common words and characters, known as stop words. This includes such terms as "http" and "com," as well as certain single digits and single letters, because these terms rarely help narrow a search, and can slow down searching significantly.Plus Signs and Minus Signs
Use the + sign to include stop words in your search. Be sure to include a space before the " +" sign. You can also include the " +" sign in phrase searches.
To find pages about SMP/E, search on "SMP/+E".
Use the - sign to purposefully exclude a term from your search. Be sure to include a space before the " -" sign and the search engine will ignore all pages containing that word.Search for pages that link to a given page
The query link: <url> shows you all the backlinks for a given URL -- that is, what pages point to that URL. For example, link:www.cisco.com will show you all the pages that point to Cisco's home page. You cannot combine a link: search with a regular keyword search.Searching within a set of results
Sometimes a search is in the right area but gives too many results. To narrow the results down, you might want to do a new search that searches only within the URLs returned by the too-broad search query. This is often called "narrowing a search" or "searching within the current search results." Since the search engine only returns web pages that contain all the words in your query, to narrow a search all you need to do is add more words to the end of your query. This gives you a new query that will return a subset of the pages returned by the too-broad query. You can also exclude a word by putting the "-" operator immediately in front of the undesirable term. (See section called "Plus Signs and Minus Signs" above.)
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