Perhaps you should try some spelling variations:
technologies sample » technologies some, technologies applied, technologies am
sample calculation » example calculation, simple calculations, example calculations
calculation where » calculations charge, calculation source, calculations phase
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
a communication » la communication, data communication, data communications
where do » where _
do a » do _, do i, dr a

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

• Adding a wildcard symbol may retrieve word variants: technologies sample calculation where do a communication _ de developpement en afrique.*.