Perhaps you should try some spelling variations:
calculations phase » calculations charge, calculations based, calculations chapter
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
a communication » la communication, data communication, data communications
phase do » phase de, phase der, phase des
do a » do _, do i, dr a
a de » a die, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ calculations phase do a communication a de developpement en afrique.~.