Perhaps you should try some spelling variations:
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing east » development east, developing a, developing asia
information 2 » information 3
a developing » a development
east areas » karst areas, east asezs
state 1.3 » state 15.3, states 1.3, state 2.3
costs a » costs _, costs 4

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 state 1.3 communication costs a developing east areas.*.