Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
iran communications » iraq communications, oman communications, france communications
later development » later developments, water development, late development
development gap » development goal, development game, development goals
technology gan » technology gap, technology gaps, technology giants
gan detection » case detection, part detection, 3.1 detection
costs later » costs water, costs matter, costs labor
gap part » gdp part, map part, llp part

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

• Adding a wildcard symbol may retrieve word variants: technology gan detection _ prince iran communications costs later development gap part.*.