Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
debt communication » de communication, et communication, get communication
information based » information case, information bank, transformation based
technologien ids » technologien des, technologien als, technologien im
ids information » aids information, dis information, mis information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
based des » based modes, based debt, based deep
des debt » does debt, des debuts, debt debt
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologien ids information based des debt communication cost 2.2 developing _ areas.*.