Perhaps you should try some spelling variations:
der communication » de communication, under communication, debt communication
vibration based » simulation based, evaluation based, navigation based
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
based phase » based case, phases phase, based player
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology _ vibration based phase der communication costs a developpement l afrique.*.