Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information centers » information contents, information officers
development east » development southeast, development 1
4 development » 2 development, 4 developing
centers one » centers money, centers ohc, centre one
east africa » west africa
one verbal » non verbal, pre 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 _ information centers one verbal communication costs 4 development east africa.*.