Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information content » information contents, information centers, information centre
development rural » development moral, development cultural, development general
technologies 2 » technologies _, technologies 4
4 development » 2 development, 4 developing
content new » contents new, context new, contexts new
new verbal » non verbal, des verbal
rural area » rural areas
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: technologies 2 information content new verbal communication costs 4 development rural area.*.