Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
gdp communication » de communication, amp communication, up communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
information 2 » information 3
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
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 dis information 2 debt gdp communication cost 2.2 developing _ areas.*.