Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
conversation based » conversion based, conversation basic, conversation made
based dispersion » wave dispersion, gas dispersion, based discussion
dispersion after » dispersion pattern, dispersion chapter, dispersion poster
after like » after life, after liver, after alice

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversation based dispersion after like~.
• Adding a wildcard symbol may retrieve word variants: communication conversation based dispersion after like*.