Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien mis » technologien mit, technologien des, technologien als
information loan » information law, information loss, information long
de communication » mobile communication, online communication
mis information » dis information, aids information, ids information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing e » developing _, developing a, developing east
cost 3.2 » cost 2.4
debt de » debt do, debt debt, debt gdp
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien mis information loan debt de communication cost 3.2 developing e areas.*.