Perhaps you should try some spelling variations:
communication filamentation » communication implementation, communication documentation, communication implementations
filamentation physics » filamentation pulse
physics dimensions » physical dimensions, physics designs, basic dimensions
decision level » decision every, decision general
session level » mission level, aversion 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 physics dimensions ((session level) or (decision level))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication filamentation physics dimensions ((session level) OR (decision level)).
• Adding a wildcard symbol may retrieve word variants: communication filamentation physics dimensions ((session level) or (decision level))*.