Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien does » technologien des, technologien als, technologie de
information ratio » information nation, information matrix, information section
does information » des informations, dis information, users information
up communication » amp communication, de communication, 3 communication
3.2 development » 1 development, mena development
ratio debt » rate debt, ratio test, ratio der
cost 3.2 » cost 2.4
debt up » 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 does information ratio debt up communication cost 3.2 development 1 area.*.