Perhaps you should try some spelling variations:
du developpement » de developpement, le developpement, et developpement
3 information » 1 information
information 3 » information 2
self mediated » cell mediated, vegf mediated, self motivated
technology 3 » technology _, technology 1, technology 4
des afrique » en afrique, de l'afrique
costs du » costs _, costs 4, costs a
3 self » 2 self, 4 self

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information 3 self mediated communication costs du developpement des afrique.*.