Perhaps you should try some spelling variations:
communications concluding » communication including, communications concerning, communications conclusion
concluding based » concluding brief, concluding phase, including base
david resolving » dates resolving, data resolving, design resolving
based design » aided design
data mapping » data mining, a mapping

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

• Performing a fuzzy search may retrieve terms with similar spellings: communications concluding based design ((david resolving) or (data mapping))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communications concluding based design ((david resolving) OR (data mapping)).
• Adding a wildcard symbol may retrieve word variants: communications concluding based design ((david resolving) or (data mapping))*.