Using very specific search terms will help
accuracy the displayed results.
Use "and" (or
between your search words to display results that include all search
words in each individual result. If each of those words is not present,
no results will be displayed.
Use "not" (or
before search word(s) to restrict your search to results that do not
contain those words.
Use "or" (or "|") to indicate
that specific search word(s) or phrase(s) can be present
(and thus give them a higher relevancy ranking), but are not required
for a document containing them to show up on the results page.