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