Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
12 communication » 1 communication, 10 communication, 13 communication
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
a integration » 3 integration, 2 integration, 4 integration
technology a » technology 1, technology 3, technology 4
efforts from » effects from, exports from, imports from
l afrique » en afrique
from 12 » from 10, from 15, from 11
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 a integration efforts from 12 communication costs 4 developpement l afrique.*.