Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
de communication » mobile communication, online communication
information can » information case, information 1, information 1.2
3.3 developing » 4 developing, 2 developing, 1 developing
developing 4 » developing _, developing a, developing e
costa 3.3 » cost 3.2, costs 3.5, cost 2.3
can debt » bank debt, card debt, loan 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 aids information can debt de communication costa 3.3 developing 4 areas.*.