Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
developing africa » developing africa's, developing america, development africa
technologien und » technologie und, technologien des, technologien fur
information case » information based, information can, information costs
und information » fund information, road information, award information
africa trends » africa trade
4 developing » 3 developing
1 verbal » _ verbal, 3 verbal, a 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 und information case 1 verbal communication costs 4 developing africa trends.*.