Perhaps you should try some spelling variations:
communication bioinformatics » computation bioinformatics, communities bioinformatics, communication information
https directional » wimps directional, aids directional, two directional
database selected » database selection, database searches
data optimising » data optimizing, database optimising, metadata optimising

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

• If you are trying to use Boolean operators, they must be ALL CAPS: communication bioinformatics https directional ((data optimising) OR (database selected))~.
• Adding a wildcard symbol may retrieve word variants: communication bioinformatics https directional ((data optimising) or (database selected))*.