Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies use » technologies used, technologies uses, technologies case
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
communication 1 » communication _, communication a, communication 3
use innovation » user innovation, une innovation, sme innovation
hs personal » ss personal, haus personal, das personal
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: technologies use innovation _ hs personal communication 1 de developpement en afrique.*.