Perhaps you should try some spelling variations:
communication cohesion » communication collections, communication control, communication cost
data decisions » data decision, death decisions, fate decisions
cohesion data » conversion data, corrosion data, cohesion a
data server » data series, data serge, data services
data seven » data event, data seon, data several

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 data decisions ((data seven) or (data server))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication cohesion data decisions ((data seven) OR (data server)).
• Adding a wildcard symbol may retrieve word variants: communication cohesion data decisions ((data seven) or (data server))*.