Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
communications costs » communication costs, communications _
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
information 3 » information 2
technology 1 » technology _
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4
3 does » 13 does, 2 does, 4 does

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information 3 does china communications costs a developpement de afrique.*.