Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
study population » student population, student populations, city population
au developpement » du developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
population de » population age, population _, population 1
france 3.2 » france 2.2, france 3.3, france 4.2
de france » en france
l afrique » en afrique
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology study population de france 3.2 communication costs au developpement l afrique.*.