Perhaps you should try some spelling variations:
under communication » jander communication, modern communication, de communication
information case » information based, information can, information costs
technologies 2 » technologies _, technologies 4
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
developing a » developing _
des under » modes under, des gender, des lender
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
case des » cases des, case das, phase des
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information case des under communication costs 3.1 developing a areas.*.