Perhaps you should try some spelling variations:
interaction inter » interaction term, interaction india, interaction chapter
inter political » under political, internet political, internal political
4 communication » 3 communication, 5.4 communication, de communication
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
4 interaction » 4 interactions, 2 interaction, 3 interaction
technology 4 » technology _, technology 1, technology 3
political 4 » political _, political 1, political 2
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 4 interaction inter political 4 communication costs 4 developpement l afrique.*.