Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
technologies model » technological model, technologies modelling, technological models
model formulation » model simulation, budget formulation, model simulations
le developpement » de developpement, sme development
a communication » la communication, data communication, data communications
developpement l » developpement il, developpement la, developpement de
formulation du » formulation de, formulation des, formulation _
barriers le » barriers law, barriers key, barriers _
l afrique » en afrique
du does » do does, der does, du deces
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 model formulation du does a communication barriers le developpement l afrique.*.