Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
evaluation image » evaluation stage, evaluation age, evaluation ime
developpement en » developpement et, developpement des, developpement de
technology 1 » technology _
1 evaluation » 2 evaluation, 4.1 evaluation, 2.3 evaluation
image cases » image case, image based, image names
cases 2.7 » cases 2.2, cases 2.1, case 2.7

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

• Adding a wildcard symbol may retrieve word variants: technology 1 evaluation image cases 2.7 communication costs _ developpement en afrique.*.