To improve your searches...
Multiple Words and Phrase Searching	To find items that have all the words (whether they're together in an exact phrase or not), enter multiple words without quotation marks: stock market To search for an exact phrase, use quotation marks: "stock market"
Boolean Operators	Use "and" or "or" to specify multiple words in any field, any order. Use "and not" to exclude words. Use parentheses to group words. (stock market) and russia (alaska or canada) and adventure columbus and not christopher
Truncation (word roots)	Words may be right-hand truncated using an asterisk. Use * to truncate 1-5 characters only. Use ** to truncate 6 or more characters. environment* polic* -- would find phrases such as environment policy, environmental policy, environmental policies, etc. digital photo** -- would find phrases such as digital photo, digital photos, digital photography, etc.
Proximity	Use "near" to specify words within 10 words of each other, in any order. Use "within n" to specify words within "n" words of each other. The value of "n" has no limit. spectroscopy near polymer* ohio within 3 (native* or indian*)
Field Searches	Use abbreviations to specify fields to search: a:author t:title s:subject n:note (includes publisher) a:higham a:twain and t:huck** (biological diversity) and (n:wiley)