Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based formulation » basic formulation, case formulation, based simulation
4 communication » 3 communication, 5.4 communication, de communication
sme development » trade development
formulation de » formulation des, formulacion de, formulation du
development et » development east, developpement et, development eco
et afrique » en afrique, l afrique
costs sme » costs some, costs amy
de using » die using, we using, re using
using 4 » using 4d, using _, using a

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulation de using 4 communication costs sme development et afrique.*.