Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information 10.8 » information 10.4, information 10.1, information 1.2
de communication » mobile communication, online communication
2.2 development » 3.2 development, 2.3 development, 4.2 development
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
debt de » debt do, debt debt, debt gdp
1 area » 1 areas, 21 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 10.8 debt de communication cost 2.2 development 1 area.*.