Perhaps you should try some spelling variations:
developpement la » developpement de, developpement et, developpement du
interaction arms » interaction terms, interaction cards, interaction amp
3.2 interaction » 3.2 introduction, face interaction
a communication » la communication, data communication, data communications
4 developpement » de developpement, le developpement, et developpement
technology 3.2 » technology 2.2, technology 3.1, technology 2
arms trade » arms race
la afrique » l afrique, la fabrique, en afrique
trade a » trade _
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 3.2 interaction arms trade a communication costs 4 developpement la afrique.*.