Perhaps you should try some spelling variations:
communication belarus » communication belgium, telecommunication belarus, communication bulgaria
data communication » data communications
formulation where » formulation over, formulation des, calculation where
technologies can » technologies a, technologies co, technologies _
developpement il » developpement de, developpement et, developpement du
can formulation » chain formulation, case formulation, plan formulation
il afrique » 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 can formulation where eo data communication belarus _ developpement il afrique.*.