Perhaps you should try some spelling variations:
technologies value » technologies volume, technologies varies, technologies case
value calculation » rate calculation, size calculation
calculation where » calculations charge, calculation source, calculations phase
10 communication » 1 communication, de communication, 3 communication
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
a au » a auf, a bau, a aus

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

• Adding a wildcard symbol may retrieve word variants: technologies value calculation where _ 10 communication a au developpement en afrique.*.