Perhaps you should try some spelling variations:
communication mitigation » communication motivation, communication mitigating, communication situation
compilation optimization » composition optimization, computational optimization, communication optimization
methods connectivity » networks connectivity, network connectivity, methods connecting
connectivity problem » connectivity problems
problem lang » problem long, problem loans, problem large

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((communication mitigation) or (compilation optimization)) methods connectivity problem lang~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((communication mitigation) OR (compilation optimization)) methods connectivity problem lang.
• Adding a wildcard symbol may retrieve word variants: ((communication mitigation) or (compilation optimization)) methods connectivity problem lang*.