Perhaps you should try some spelling variations:
evaluation wages » evaluation age, evaluation stage, evaluation usage
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
technologies 3 » technologies _, technologies 4, technologies 2
wages case » ages case, wages close, cases case
de afrique » de l'afrique, en afrique, l afrique
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: technologies 3 evaluation wages case 3 communication costs _ developpement de afrique.*.