Perhaps you should try some spelling variations:
calculations phase » calculations charge, calculations based, calculations chapter
data communication » data communications
case calculations » based calculations, cost calculation, rate calculation
de developpement » sme development
technology case » technology based, technology can, technology change
developpement l » developpement il, developpement la, developpement de
phase does » phase des, phase der, phase die
does data » does cat
l afrique » en afrique
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology case calculations phase does data communication a de developpement l afrique.*.