Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
6.2 communications » 6.2 communication, 4.2 communications, 3.2 communication
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
technology rich » technology risk, technology africa, technology rights
rich inflation » price inflation, high inflation, die inflation
costs des » costs fees
base 6.2 » base 3.2, base 4.2, base 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology rich inflation _ base 6.2 communications costs des developpements en afrique.*.