Perhaps you should try some spelling variations:
2011 communication » 2.14 communication, 2.3 communication, 1 communication
ring interaction » rna interaction, during interactions, string interactions
technology ring » technology during, technology brings, technology using
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
interaction 2 » interaction _, interaction 1, interaction 4
politics 2011 » politics 2001, politics 20th, politics 2.1
2 politics » 2 political
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 ring interaction 2 politics 2011 communication costs a developpement l afrique.*.