Perhaps you should try some spelling variations:
under communication » jander communication, modern communication, de communication
technologies phase » technologies case, technologies past, technologies places
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing 4 » developing _, developing a, developing e
und under » und wunder, end under, und unter
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
4 areal » 4 real, _ areal, 2 areal

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

• Adding a wildcard symbol may retrieve word variants: technologies phase transition _ und under communication costs 4.1 developing 4 areal.*.