Perhaps you should try some spelling variations:
communication cohesion » communication collections, communication control, communication apprehension
communication cost » communication cross, communication case, communication control
data dimensions » data dimensional, dark dimensions, dati dimensioni
data dimension » data dimensional, dati dimensioni, hat dimension
d wave » _ wave, 2 wave

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) OR (communication cost)) ((data dimension) or (data dimensions)) d wave~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((communication cohesion) OR (communication cost)) ((data dimension) OR (data dimensions)) d wave.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((communication cohesion) OR (communication cost)) ((data dimension) or (data dimensions)) d wave".
• Adding a wildcard symbol may retrieve word variants: ((communication cohesion) OR (communication cost)) ((data dimension) or (data dimensions)) d wave*.