Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
de communication » mobile communication, online communication
de developpement » sme development
formulation des » formation des, formulacion de, formulation _
developpement l » developpement il, developpement la, developpement de
technologies 4 » technologies _
4 formulation » _ formulation, 3 formulation, 2 formulation
barriers de » barriers d, barriere der, barriers key
des doses » des choses, des dorfes, des deces
l afrique » en afrique
doses de » doses due, does de, dose de

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formulation des doses de communication barriers de developpement l afrique.*.