Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien about » technologien auf, technologien fur, technologien als
inflation based » information based, simulation based, inflation causes
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
ce verbal » des verbal, pre verbal, _ verbal
based ce » based c, based cd, based co
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 about inflation based ce verbal communication costs 4 developing 1 africa.*.