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
4 developing » 3 developing
des under » modes under, des gender, des lender
case des » cases des, case das, phase des
costs 4 » costs _, costs a, costs 4.2

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 4 developing _ areas.*.