Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information centre » information centers, information contents
developing east » development east, developing a, developing asia
technologies 2 » technologies _, technologies 4
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
east africa » west africa
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
centre a » centres a, centre _, centre c
a verbal » _ verbal, 3 verbal, a herbal

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centre a verbal communication costs 1.3 developing east africa.*.