Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
developpements la » developpement la, developpements de, developpement de
4 communication » 3 communication, 5.4 communication, de communication
technologies 2 » technologies _, technologies 4
theory web » theory weak, theory why, theory where
la afrique » l afrique, la fabrique, en afrique
web 4 » web _, web 1, web a
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information theory web 4 communication a des developpements la afrique.*.