Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
interaction term » interaction _
a communications » a communication, data communications, a communicative
3.2 interaction » 3.2 introduction, face interaction
technology 3.2 » technology 2.2, technology 3.1, technology 2
term politics » germ politics, term political, german politics
1 development » 2 development, 3.1 development, mena development
development l » development li, development 1, development law
politics a » politics _
l afrique » en afrique
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 interaction term politics a communications costs 1 development l afrique.*.