Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies based » technologies used, technology based, technologies a
based innovation » und innovation
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
innovation 1 » innovation _, innovation a
vs personal » ss personal, das personal, des personal
l afrique » en afrique
1 vs » 1 hs, _ vs, 1 5s

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

• Adding a wildcard symbol may retrieve word variants: technologies based innovation 1 vs personal communication _ de developpement l afrique.*.