Use only Communication & Mass Media Complete database to conduct your search.
Use a broad keyword or keyword phrase to get a big number of results starting out. Then, use one or two more keywords to narrow your results until you have a browse-able number of results that are a good fit for your topic. This is known as a "broad-to-narrow" search strategy.
Example:
I'm interested to know if people how date online end up having successful relationships. In my keywords below, I'll identify synonyms describing online dating, and type OR between these in the search box. This should increase the number of results.
Keywords:
1. online dating OR dating apps OR internet dating = 1157
2. AND success OR marriage = 100
3. Limit to Peer Reviewed
4. Limit to 2011
5. Review: Abstract, METHOD section, full text, citation, permalink