Perhaps you should try some spelling variations:
communication cohesion » communication collections, communication control, communication cost
model discussion » panel discussion, final discussion
cohesion model » conversion model, collision model, cohesive models
started from » started food, starting from, starches from
starch from » research from, starch films
start from » starting from

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 model discussion ((started from) or (((starch from) or (start from))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication cohesion model discussion ((started from) OR (((starch from) OR (start from)))).
• Adding a wildcard symbol may retrieve word variants: communication cohesion model discussion ((started from) or (((starch from) or (start from))))*.