Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
interaction term » interaction _
one interaction » une interaction, phone interaction, more interaction
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology one » technology other, technology o140, technology 1
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 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology one interaction term politics 3.1 communication costs 4 developpement l afrique.*.