Perhaps you should try some spelling variations:
27 communication » 2.7 communication, 7 communication, 2 communication
developpement il » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
r interaction » 2 interaction, 3 interaction, rna interaction
interaction 2 » interaction _, interaction 1, interaction 4
technology r » technology 1, technology 3, technology 4
political 27 » political 2, political _, political 1
il afrique » l afrique, en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology r interaction 2 political 27 communication costs a developpement il afrique.*.