Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
technologies based » technologies used, technology based, technologies a
based formulacion » basic formulation, case formulation, based simulation
de developpement » sme development
developpement et » developpement des, developpement de, development east
a communication » la communication, data communication, data communications
formulacion de » formulation des, formacion de, formulation _
barriers de » barriers d, barriere der, barriers key
et afrique » en afrique, l afrique
de does » der does, do does, one does
does a » does _

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulacion de does a communication barriers de developpement et afrique.*.