Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
la communication » data communication, data communications
technologies 2 » technologies _, technologies 4
been developed » between developed, less developed, both developed
2 formulation » _ formulation, 3 formulation, la formulation
barriers been » barriers between, barriers beyond, barriers learn
developed la » developed a, developed land, developed via
la afrique » l afrique, la fabrique, en afrique
does la » does lac, does law, does a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation _ does la communication barriers been developed la afrique.*.