Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information content » information contents, information centers, information centre
developing rural » developing real, development rural, developing halal
technologies 2 » technologies _, technologies 4
4 developing » 3 developing
content des » content does, contenu des, content der
des verbal » des verbalen, des verbs, models 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 des verbal communication costs 4 developing rural area.*.