Perhaps you should try some spelling variations:
communication education » community education, communication communication, communication information
rationale database » national database, rational databases, relational database
brazil rationale » brazil national, nail rationale, brazil faxinal
database using » databases using

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: communication education brazil rationale database using~.
• Adding a wildcard symbol may retrieve word variants: communication education brazil rationale database using*.