Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien dis » technologien des, technologien als, technologien im
de communication » mobile communication, online communication
dis information » mis information, aids information, des informations
2.2 development » 3.2 development, 2.3 development, 4.2 development
information 1 » information 2, information 3, information 3.2
costa 2.2 » cost 2.2, costs 2.2, forsta 2.2
debt de » debt do, debt debt, debt gdp
1 debt » 3 debt, 4 debt

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information 1 debt de communication costa 2.2 development _ areas.*.