Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
rate level » water level, state level, wage level
et afrique » en afrique, l afrique
level 3.5 » level 3.2, level 3.3, level 5
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien _ inflation rate level 3.5 communication costs a developpement et afrique.*.