Perhaps you should try some spelling variations:
social interaction » social interactions, social integration
technology social » technology series
interaction mayer » interaction layer, interaction model, interaction fiber
de communication » mobile communication, online communication
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
mayer sanz » mayer franz
l afrique » en afrique
costs de » costs _, costs 4, costs a
sanz de » sante de, tanz der

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

• Adding a wildcard symbol may retrieve word variants: technology social interaction mayer sanz de communication costs de developpement l afrique.*.