Perhaps you should try some spelling variations:
communication cost » communication cross, communication case, communication control
cognition basic » cognition basics, recognition basic, recognition basis
cognition based » recognition based, cognition fast, cognition age
solution basic » solution based, resolution based, solution casting
cost band » cost based, best band

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication cost band ((((cognition basic) or (solution basic))) or (cognition based)) linear~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication cost band ((((cognition basic) OR (solution basic))) OR (cognition based)) linear.
• Adding a wildcard symbol may retrieve word variants: communication cost band ((((cognition basic) or (solution basic))) or (cognition based)) linear*.