Perhaps you should try some spelling variations:
2011 communication » 2.14 communication, 2.3 communication, 1 communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
political 2011 » politics 2011, political 1, political 2
a interaction » ai interaction, 2 interaction, 3 interaction
interaction 2 » interaction _, interaction 1, interaction 4
technology a » technology 1, technology 3, technology 4
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 a interaction 2 political 2011 communication costs a developpement l afrique.*.