Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies 4 » technologies _
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
4 information » 2 information, 1 information
developing em » developing e, developing eq, developing amp
contents 4 » contents 1, contents _, contents i
4 personal » a personal, 1 personal, 1945 personal
costs 2.3 » costs 4.2, costs 4.4
em africa » 1 africa

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 2.3 developing em africa.*.