Perhaps you should try some spelling variations:
4.2 developpement » 4.2 development, de developpement, le developpement
interaction arms » interaction terms, interaction cards, interaction amp
2 communication » 3 communication, 4 communication, 1 communication
developpement l » developpement il, developpement la, developpement de
2 interaction » 3 interaction, 3.2 interaction, 3.1 interaction
technology 2 » technology _, technology 1, technology 3
arms trade » arms race
l afrique » en afrique
trade 2 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: technology 2 interaction arms trade 2 communication costs 4.2 developpement l afrique.*.