Perhaps you should try some spelling variations:
survey information » server information, jury information, security information
des developpements » deux developpements, de developpement, et developpements
technology survey » technology surveys, technology curve, technology series
developpements de » developpement de, developpement des, developpement du
information when » information what, information war, information wants
3 communication » 4 communication, de communication, data communication
de afrique » de l'afrique, en afrique, l afrique
when case » when base, women case, when can
costs des » costs fees
case 3 » case 1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technology survey information when case 3 communication costs des developpements de afrique.*.