Perhaps you should try some spelling variations:
oral communication » personal communication
technologien nd » technologien und, technologien ad, technologie und
information 8.2 » information 1.2, information 2.2, information 8.4
developing east » development east, developing a, developing asia
nd information » und information, d information, od information
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
east access » cost access, easier access, last accessed
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
why oral » why rural, why deal
8.2 why » 1.2 why, 2.2 why, 8.2 what

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information 8.2 why oral communication costs 4.1 developing east access.*.