Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information based » information case, information bank, transformation based
de communication » mobile communication, online communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing 2 » developing _, developing a, developing e
based des » based modes, based debt, based deep
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
2 areal » 2 real, _ areal, 2 areas
des de » des dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information based des de communication cost 2.2 developing 2 areal.*.