Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
interaction term » interaction _
12 communication » 1 communication, 10 communication, 13 communication
3.2 interaction » 3.2 introduction, face interaction
developpement l » developpement il, developpement la, developpement de
technology 3.2 » technology 2.2, technology 3.1, technology 2
term leader » team leader, team leaders, every leader
costs leur » costs clear
leader 12 » leader _, leader a, leader 6
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 3.2 interaction term leader 12 communication costs leur developpement l afrique.*.