Perhaps you should try some spelling variations:
oral communication » personal communication
information 3.3.3 » information 4.3.3, information 2.3.2, information 3.2.2
technologien des » technologien fur, technologien und, technologies 2
developing areas » developing asia, developing east, developing a
des information » des informations, does information, dis information
2 developing » 3 developing, 4 developing, 2 development
areas access » farmers access, cartels access, markets access
costs 2 » costs 20, 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 3.3.3 _ oral communication costs 2 developing areas access.*.