Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
been developpement » en developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
e communication » de communication, 1 communication, une communication
technologies a » technologies _, technologies 4, technologies 2
formulation de » formulation des, formulacion de, formulation du
a formulation » la formulation, _ formulation, 3 formulation
barriers been » barriers between, barriers beyond, barriers learn
de afrique » de l'afrique, en afrique, l afrique
de does » der does, do does, one does
does e » does de, does _, does a

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation de does e communication barriers been developpement de afrique.*.