Perhaps you should try some spelling variations:
interaction inter » interaction term, interaction india, interaction chapter
2.3 communication » 3.2 communication, de communication, 4 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
a interaction » ai interaction, 2 interaction, 3 interaction
political 2.3 » politics 2.3, political 27, political 3.1
technology a » technology 1, technology 3, technology 4
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 a interaction inter political 2.3 communication costs 4 developpement l afrique.*.