Perhaps you should try some spelling variations:
technology volume » technologies volume, seismology volume, technology evolution
volume evaluation » value evaluation, course evaluation, use evaluation
evaluation costs » evaluation case, evaluation can
developpement du » developpement de, developpement des, developpement et
1 communication » 10 communication, 3 communication, 4 communication
4 developpement » de developpement, le developpement, et developpement
costs case » costs cash
du afrique » en afrique, l afrique, de l'afrique
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: technology volume evaluation costs case 1 communication costs 4 developpement du afrique.*.