Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
l afrique » en afrique
3 leur » a leur, 3 lehr
2 aid » _ aid, 2 aim, 2 add
2 air » _ air, 2 aim
mass » maps

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 4 information ((2 aid) OR (2 air)) mass communication 3 leur developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information ((2 aid) OR (2 air)) mass communication 3 leur developpement l afrique.*.