Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
fases communications » mass communications, face communications, faso communications
2.1 information » 3.1 information
technology 2.1 » technology 2.2, technology 3.1, technology 1
information 2 » information 3
des afrique » en afrique, de l'afrique
3d fases » d fases, 3d laser, 3 cases
2 3d » 2 3, _ 3d

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 information 2 3d fases communications costs _ developpement des afrique.*.