Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies 4 » technologies _
4 information » 2 information, 1 information
20 developing » 2 developing, 10 developing, 24 developing
developing em » developing e, developing eq, developing amp
contents 4 » contents 1, contents _, contents i
4 personal » a personal, 1 personal, 1945 personal
em africa » 1 africa
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information contents 4 personal communication costs 20 developing em africa.*.