Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
national housing » national saving, national human, national testing
du developpement » de developpement, le developpement, et developpement
developpement il » developpement de, developpement et, developpement du
from national » from natural
prices 3.2 » price 3.2, prices 3.1, prices 4.2
il afrique » l afrique, en afrique
costs du » 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 from national housing prices 3.2 communication costs du developpement il afrique.*.