Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
gdp communication » de communication, amp communication, up communication
technologien ids » technologien des, technologien als, technologien im
ids information » aids information, dis information, mis information
information can » information case, information 1, information 1.2
3.3 developing » 4 developing, 2 developing, 1 developing
can debt » bank debt, card debt, loan debt
cost 3.3 » cost 3.2, cost 2.3, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technologien ids information can debt gdp communication cost 3.3 developing _ areas.*.