Take some time to consider what kinds of information will answer the questions you have about your public awareness campaign.
The types of information you need (or think you need) will affect where and how you search.
Search several words as a phrase
Combine multiple search terms, or exclude certain words from your results
AND - search two topics/keywords together
OR - add synonyms or related terms
NOT - exclude words from your search results
Search all variations of a root word
Use filters with in a database or in the catalog to narrow your results after you've entered search terms. Filter by date, language, subject, etc.