Perhaps you should try some spelling variations:
personal communication » interpersonal communication
social interaction » social interactions, social integration
technology social » technology series
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
communication 1 » communication _, communication a, communication 3
interaction 4 » interaction _, interaction 1, interaction a
das personal » des personal, des personals, haus personal
la afrique » l afrique, la fabrique, en afrique
4 das » 1 das, 2 das, 3 das
1 de » 1 die, 1 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technology social interaction 4 das personal communication 1 de developpement la afrique.*.