Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based formulacion » basic formulation, case formulation, based simulation
gt communication » get communication, et communication, et communicatione
de developpement » sme development
developpement et » developpement des, developpement de, development east
formulacion de » formulation des, formacion de, formulation _
et afrique » en afrique, l afrique
de using » die using, we using, re using
using gt » using gc, using art, using gis
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulacion de using gt communication costs de developpement et afrique.*.