Perhaps you should try some spelling variations:
communication cohesion » communication collections, communication control, communication cost
based dispersion » wave dispersion, gas dispersion, based discussion
cohesion based » conversion based, collision based, corrosion based
dispersion use » dispersion using, dispersion based, dispersion laser
use pattern » use patterns

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication cohesion based dispersion use pattern~.
• Adding a wildcard symbol may retrieve word variants: communication cohesion based dispersion use pattern*.