Perhaps you should try some spelling variations:
communication methods » communication media, communication model
urban development » human development
development event » development recent, development decent, development seven
case information » care information, based information, phase information
technology case » technology based, technology can, technology change
event afrique » en afrique
de mass » de masse, de mais, de masa

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

• Adding a wildcard symbol may retrieve word variants: technology case information _ de mass communication methods urban development event afrique.*.