Perhaps you should try some spelling variations:
technologien poor » technologies pour, technologien fur, technologien zur
information after » information matter, formation after, information chapter
poor information » labor information, der information, user information
de communication » mobile communication, online communication
developing class » developing cross, developing east, developing csi
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
class african » glass african, class americans, across african
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
after a » after _
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologien poor information after a de communication costs 4.3 developing class african.*.