Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
developpement de » developpement des, developpement durable
technologies la » technologies a, technologies le, technologies lead
a developpement » au developpement, de developpement, le developpement
la formacion » la formation, la formulacion, la conformacion
formacion de » formacion del, formation des, creacion de
barriers a » barriers _, barrier _
de afrique » de l'afrique, en afrique, l afrique
does mass » does maps, does cash, does mtrs
de does » der does, do does, one does

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

• Adding a wildcard symbol may retrieve word variants: technologies la formacion de does mass communication barriers a developpement de afrique.*.