Perhaps you should try some spelling variations:
172 communication » 12 communication, 3.2 communication, 1 communication
based innovation » und innovation
developpement la » developpement de, developpement et, developpement du
innovation das » innovation ddi, innovation die, innovation do
la afrique » l afrique, la fabrique, en afrique
das from » days from, das rom, dcs from
from 172 » from 12, from 17, from 1.2

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

• Adding a wildcard symbol may retrieve word variants: technology based innovation das from 172 communication costs _ developpement la afrique.*.