Perhaps you should try some spelling variations:
oral communication » personal communication
information chain » information can, information china, information coding
technologien und » technologie und, technologien des, technologien fur
developing areas » developing asia, developing east, developing a
und information » fund information, road information, award information
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
areas access » farmers access, cartels access, markets access
chain new » chains new, chain how
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
new oral » new moral, knew moral, new rural

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

• Adding a wildcard symbol may retrieve word variants: technologien und information chain new oral communication costs 1.3 developing areas access.*.