Perhaps you should try some spelling variations:
communication can » communication case, communication chap, communication canada
user decisions » users decisions, use decisions, user decision
data sampling » a sampling
data removing » data resolving, data moving, data recording
data solving » data resolving, data evolving, data moving
can user » can use, non user

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication can user decisions ((((data sampling) or (data solving))) or (data removing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication can user decisions ((((data sampling) OR (data solving))) OR (data removing)).
• Adding a wildcard symbol may retrieve word variants: communication can user decisions ((((data sampling) or (data solving))) or (data removing))*.