Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
en developpement » et developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
method overview » methods overview
social aid » social audit
trade time » trade tie, trade crime, trade ties
de afrique » de l'afrique, en afrique, l afrique
costs en » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: method overview social aid trade time communication costs en developpement de afrique.*.