Perhaps you should try some spelling variations:
technology volume » technologies volume, seismology volume, technology evolution
volume evaluation » value evaluation, course evaluation, use evaluation
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
evaluation test » evaluation tests, evaluation team, evaluation task
4 communication » 3 communication, 5.4 communication, de communication
costs de » costs _, costs 4, costs a
case 4 » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technology volume evaluation test case 4 communication costs de developpement en afrique.*.