Perhaps you should try some spelling variations:
technologies value » technologies volume, technologies varies, technologies case
data communication » data communications
value evaluation » ante evaluation, care evaluation, use evaluation
developpement en » developpement et, developpement des, developpement de
evaluation safe » evaluation stage, evaluation staff, evaluation some
safe care » safer care, safe car, safest care

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

• Adding a wildcard symbol may retrieve word variants: technologies value evaluation safe care data communication costs _ developpement en afrique.*.