Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
technologies a » technologies _, technologies 4, technologies 2
creacion de » creation de, creation du
barriers au » barriers a, barriers aa, barriers law
a creacion » la creacion, 3 creacion, 1 creacion
de does » der does, do does, one does
does 4 » 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 a creacion de does 4 communication barriers au developpement en afrique.*.