Perhaps you should try some spelling variations:
technologien bedarf » technologien auf
bedarf information » secondary information
information center » information centers, information centre, information content
oil communication » oral communication, social communication, moral communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing av » developing a, developing ai, developing amp
center can » centers can, center case, century can
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
av africa » v africa, iv africa, can africa
can oil » can soils, can only, corn oil

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

• Adding a wildcard symbol may retrieve word variants: technologien bedarf information center can oil communication costs 2.2 developing av africa.*.