Perhaps you should try some spelling variations:
surveys integration » surveys interpreting, survey international, surveys introduction
technology surveys » technology survey, technology series, technology curve
de communication » mobile communication, online communication
au developpement » du developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
traces de » traves de, traites de, traces _
l afrique » en afrique
3 traces » _ traces, en traces, _ races
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 surveys integration 3 traces de communication costs au developpement l afrique.*.