Perhaps you should try some spelling variations:
des communication » les communications, nets communication, c's communication
vibration based » simulation based, evaluation based, navigation based
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
based phase » based case, phases phase, based player
phase des » phasen des, phase der
l afrique » en afrique
costs 4 » costs _, costs a, costs 4.2

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 des communication costs 4 developpement l afrique.*.