Perhaps you should try some spelling variations:
interaction inter » interaction term, interaction india, interaction chapter
10 communication » 1 communication, de communication, 3 communication
inter political » under political, internet political, internal political
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
1 interaction » 10 interaction, 17 interaction, 19 interaction
technology 1 » technology _
political 10 » political 1, political _, 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 1 interaction inter political 10 communication costs 4 developpement l afrique.*.