Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien pitch » technologien mit, technologien im, technologie durch
information centre » information centers, information contents
pitch information » catch information, itc information, math information
4 developing » 3 developing
centre et » centre left, centre itc, centre act
et verbal » des verbal, _ verbal, 3 verbal
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 pitch information centre et verbal communication costs 4 developing _ africa.*.