Perhaps you should try some spelling variations:
ring interaction » rna interaction, during interactions, string interactions
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
technology ring » technology during, technology brings, technology using
a communication » la communication, data communication, data communications
politics a » politics _
de afrique » de l'afrique, en afrique, l afrique
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology ring interaction _ politics a communication costs au developpement de afrique.*.