Perhaps you should try some spelling variations:
communication cohesion » communication collections, communication control, communication cost
discussion single » discussion simple, discussion using, discussion sense
based discussion » brief discussion
cohesion based » conversion based, collision based, corrosion based
single layer » single case

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 discussion single layer~.
• Adding a wildcard symbol may retrieve word variants: communication cohesion based discussion single layer*.