Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
gdp communication » de communication, amp communication, up communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
information 2 » information 3
cost 2.3 » costs 2.3, cost 2.4, cost 2.2
2 debt » 3 debt, 4 debt, 2.5 debt

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 2 debt gdp communication cost 2.3 developing _ area.*.