Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based calculations » based calculation, hand calculations, baseline calculations
calculations where » calculation where, calculations charge, calculations phase
data communication » data communications
sme development » trade development
development l » development li, development 1, development law
l afrique » en afrique
where eo » where do, where you, where few

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

• Adding a wildcard symbol may retrieve word variants: technologies based calculations where eo data communication _ sme development l afrique.*.