Perhaps you should try some spelling variations:
based calculations » based calculation, hand calculations, baseline calculations
calculations phase » calculations charge, calculations based, calculations chapter
data communication » data communications
sme development » trade development
development la » development law, development li, development land
la afrique » l afrique, la fabrique, en afrique
phase des » phasen des, phase der
des data » das data, dhs data, dns data

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

• Adding a wildcard symbol may retrieve word variants: technology based calculations phase des data communication _ sme development la afrique.*.