Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
since development » science development, mine development, site development
technologies co » technologies _, technologies 4, technologies 2
formulation des » formation des, formulacion de, formulation _
3 communication » 4 communication, de communication, data communication
co formulation » _ formulation, 3 formulation, 2 formulation
barriers since » barriers signs, barriers using
development la » development law, development li, development land
la afrique » l afrique, la fabrique, en afrique
des does » des doses, der does, des dorfes
does 3 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies co formulation des does 3 communication barriers since development la afrique.*.