Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
interaction aware » interaction feature, interaction figure, interaction term
3.2 communication » 3 communication, 2.3 communication, de communication
developpement du » developpement de, developpement des, developpement et
costs leur » costs clear
du afrique » en afrique, l afrique, de l'afrique
trace 3.2 » trade 3.2, trace 2.2, france 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology _ interaction aware trace 3.2 communication costs leur developpement du afrique.*.