Perhaps you should try some spelling variations:
driven development » urban development
oral communication » personal communication
development case » development china
technology gap » technology 1, technology 2.2, technology 3
gap formation » la formation, a formation, group formation
costs driven » cost driven, costs drivers, costs driving
new oral » new moral, knew moral, new rural

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

• Adding a wildcard symbol may retrieve word variants: technology gap formation _ new oral communication costs driven development case afrique.*.