Perhaps you should try some spelling variations:
technologies diffusion » technological diffusion, technology diffusion, technologies diffuse
diffusion formulation » diffusion correlation, vision formulation, dimensional formulation
communication belgium » communication medium, communication begins, communication belarus
de communication » mobile communication, online communication
sme development » trade development
development de » development d, development ds, developpement de
belgium sme » belgium over, belgium tine
de african » do african, de africa, me african
2 de » 2 die, 2 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologies diffusion formulation _ 2 de communication belgium sme development de african.*.