Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
o140 interaction » 10 interaction, 10 interactions, 1.3 interaction
interaction term » interaction _
technology o140 » technology 1
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
term politics » germ politics, term political, german politics
politics 3.1 » politics 4.1, politics 2.1, politics 5.1
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology o140 interaction term politics 3.1 communication costs a developpement l afrique.*.