Perhaps you should try some spelling variations:
3.7 communication » 3.2 communication, 2.7 communication, 3.5 communication
au developpement » du developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
rate range » rate change, age range, rate changes
range 3.7 » change 3.7, age 3.7, range 2.1
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 _ inflation rate range 3.7 communication costs au developpement l afrique.*.