Perhaps you should try some spelling variations:
communication filamentation » communication implementation, communication documentation, communication implementations
filamentation fast » fermentation fast, filamentation caf, filamentation pulse
fast dimensions » fast dimension, hat dimensions, fast dimensioning
aversion level » conversion level
session level » mission level, decision level, session travel

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication filamentation fast dimensions ((aversion level) or (session level))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication filamentation fast dimensions ((aversion level) OR (session level)).
• Adding a wildcard symbol may retrieve word variants: communication filamentation fast dimensions ((aversion level) or (session level))*.