Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
la communication » data communication, data communications
developpement de » developpement des, developpement durable
technologies la » technologies a, technologies le, technologies lead
la formulation » la formulacion, _ formulation, la formation
formulation de » formulation des, formulacion de, formulation du
de afrique » de l'afrique, en afrique, l afrique
de does » der does, do does, one does
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 la formulation de does la communication barriers _ developpement de afrique.*.