Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
oecd communications » speed communications, cell communications, chad communications
technologien als » technologien des, technologien fur, technologien und
information case » information based, information can, information costs
als information » als informations, aids information, laws information
developing east » development east, developing a, developing asia
4 developing » 3 developing
case des » cases des, case das, phase des
des oecd » der oecd, das oecd, den oecd
costs 4 » costs _, costs a, costs 4.2
areal. » areas., area., real.

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

• Adding a wildcard symbol may retrieve word variants: technologien als information case des oecd communications costs 4 developing east areal.*.