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
developpement l » developpement il, developpement la, developpement de
2 interaction » 3 interaction, 3.2 interaction, 3.1 interaction
technology 2 » technology _, technology 1, technology 3
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 2 interaction term leader 12 communication costs leur developpement l afrique.*.