Perhaps you should try some spelling variations:
population plague » population age, population village, population change
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
de developpement » sme development
technology ecit » technology eimt, technology e
ecit population » city population, recent population, host population
developpement l » developpement il, developpement la, developpement de
france 2.2 » france 4.2, france 6.1, france 26
l afrique » en afrique
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology ecit population plague france 2.2 communication costs de developpement l afrique.*.