Perhaps you should try some spelling variations:
aided communication » aided communications, video communication, called communication
human information » can information, urban information, hidden information
technology human » technology how, technology help
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
information 3 » information 2
3 areal » 3 real, _ areal, 2 areal
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 human information 3 areal aided communication costs 4 developpement en afrique.*.