It's better to leave out minor connecting words such as with, during, in, etc. Sometimes databases ignore these, but other times they don't, and your search results suffer as a result. Compare the following two searches:
Just by removing the word during, we got a lot more good results.
In most databases, if you type the beginning of a word and then type an asterisk (*), the database will match any word that begins with those letters. For instance:
Google does not have this feature because it applies truncation (and many other "fuzzy" search techniques) automatically.