Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
rate information » trade information, care information, age information
information when » information what, information war, information wants
case development » care development, based development, scale development
technology rate » technology state, technology role, technology related
development de » development d, development ds, developpement de
when space » open space, when face
space 3.1 » space 2.1, space 3.2, space 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology rate information when space 3.1 communications _ case development de l'afrique.*.