Perhaps you should try some spelling variations:
transformations within » transformations between
oral communication » personal communication
9 transformations » _ transformations, les transformations, 2.1 transformations
technologien 9 » technologien _, technologien 1, technologien 4
4 developing » 3 developing
modern oral » modern rural, modern arab, modern drama
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien 9 transformations within modern oral communication costs 4 developing _ arenas.*.