Perhaps you should try some spelling variations:
data communication » data communications
trade developement » trade development, trade developments, trades development
communication gsm » communication gap, communication gt, communication gaps
formulation des » formation des, formulacion de, formulation _
developement et » developpement et, developpement en, developement _
et afrique » en afrique, l afrique
deas data » das data, des data, deaths data
gsm trade » gem trade
des deas » des des, des degats, des delays

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formulation des deas data communication gsm trade developement et afrique.*.