Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies aids » technologies varies, technologies a, technologies de
aids information » chandos information, series information
information und » informations und
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
ring data » using data, being data, doing data
und ring » und caring, und ringen, und rund
costs 4 » costs _, costs a, costs 4.2
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: technologies aids information und ring data communications costs 4 developing 2 areas.*.