Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
1.3 communications » 1.3 communication, 2.3 communication, 4.3 communication
interaction arms » interaction terms, interaction cards, interaction amp
du developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
3 interaction » 2 interaction, 3.2 interaction, 3.1 interaction
technology 3 » technology _, technology 1, technology 4
l afrique » en afrique
race 1.3 » races 1.3, race 1.4, race 1.5
costs du » 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 interaction arms race 1.3 communications costs du developpement l afrique.*.