Perhaps you should try some spelling variations:
positive communications » positive communication, partie communications, passive communication
communications costs » communication costs, communications _
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
has positive » have positive, hiv positive, a positive
social aid » social audit
de afrique » de l'afrique, en afrique, l afrique
aid has » aid case, aid days, aid hard
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: methods overview social aid has positive communications costs 4 developpement de afrique.*.