Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
technology costs » technology cost, technology course, technology case
costs expansion » tests expansion, port expansion, chaos expansion
expansion der » expansion _, expansion a
3 developing » 3 development
developing l » developing l2, developing _, developing a
der rates » des rates, der rate, der rat
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology costs expansion der rates rural communications _ 3 developing l afrique.*.