Perhaps you should try some spelling variations:
communication reoperation » communication cooperation, communications cooperation, communication operations
reoperation after » cooperation after, regeneration after, operations after
precision data » precision dairy, precision a, precision cut
decision case » decision based, decision game, decision aid
decision data » decisions data, decision gate, decision aid

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication reoperation after ((precision data) or (((decision case) or (decision data)))) link~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication reoperation after ((precision data) OR (((decision case) OR (decision data)))) link.
• Adding a wildcard symbol may retrieve word variants: communication reoperation after ((precision data) or (((decision case) or (decision data)))) link*.