Perhaps you should try some spelling variations:
technologien from » technologies from, technology from, technologien fur
informal sectors » informal sector
de communication » mobile communication, online communication
15 developing » 1 developing, 5 developing, 10 developing
developing em » developing e, developing eq, developing amp
sectors how » sector how, vectors how, factors how
em africa » 1 africa
costs 15 » costs 5, costs 1, costs 15.3
how de » how doe, how do, how ae

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

• Adding a wildcard symbol may retrieve word variants: technologien from informal sectors how de communication costs 15 developing em africa.*.