Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien als » technologien des, technologien fur, technologien und
de communication » mobile communication, online communication
als information » als informations, aids information, laws information
2.2 development » 3.2 development, 2.3 development, 4.2 development
development 4 » development 1
costa 2.2 » cost 2.2, costs 2.2, forsta 2.2
4.2 debt » 4.2 der, 4.2 deep, 2.5 debt
debt de » debt do, debt debt, debt gdp
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 4.2 debt de communication costa 2.2 development 4 areas.*.