Perhaps you should try some spelling variations:
development slaves » development stages, development spaces, development islands
driven development » urban development
de communication » mobile communication, online communication
information 3.7 » information 3.2, information 3.4, information 3.3
technologies 2 » technologies _, technologies 4
slaves african » states african, class african, glass african
costs driven » cost driven, costs drivers, costs driving

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.7 _ de communication costs driven development slaves african.*.