Perhaps you should try some spelling variations:
information learned » information learning, information search, information letter
technologien 2 » technologies 2, technologien _, technologien 1
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing 2 » developing _, developing a, developing e
learned des » learned its, learned key, learned ten
des mobile » does mobile, das mobile, less mobile
costs 2.3 » costs 4.2, costs 4.4
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information learned des mobile communication costs 2.3 developing 2 areas.*.