Perhaps you should try some spelling variations:
calculation where » calculations charge, calculation source, calculations phase
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
10 communication » 1 communication, de communication, 3 communication
communication nr » communication new, communication _, communication a
de developpement » sme development
3.1 calculation » 3.2 calculation, _ calculation, 2 calculation
developpement l » developpement il, developpement la, developpement de
where does » where do
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 calculation where does 10 communication nr de developpement l afrique.*.