Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
pt information » ct information, plot information, get information
technology pt » technology 1, technology 3, technology 4
information 3 » information 2
does based » codes based, homes based, aes based
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 pt information 3 does based communications costs a developpement de l'afrique.*.