Perhaps you should try some spelling variations:
proactive communication » reactive communication, active communication, positive communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
has proactive » a proactive, based proactive, _ proactive
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 proactive communication costs 4 developpement de afrique.*.