Perhaps you should try some spelling variations:
oral communication » personal communication
communication use » communication une, communication using, communication _
urban development » human development
technologie der » technologie de, technologien des, technologies de
der information » insider information, sector information, labor information
a afrique » l afrique, en afrique
flows 4 » flows _, flows 1, flows 2
4 oral » _ oral, 2 oral

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

• Adding a wildcard symbol may retrieve word variants: technologie der information flows 4 oral communication use urban development a afrique.*.