Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpements l » developpements de, developpement il, developpement la
integration die » integration de, integration deep, integration does
die trade » die triade, rice trade, die trager
trade 2.2 » trade 3.2, trade 4.1
costs des » costs fees
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology _ integration die trade 2.2 communication costs des developpements l afrique.*.