Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information centre » information centers, information contents
technologies 2 » technologies _, technologies 4
20 developing » 2 developing, 10 developing, 24 developing
developing e » developing _, developing a, developing east
c personal » a personal, 1 personal, 4 personal
centre c » centre _, centre a, centre bic
costs 20 » costs 60, costs 2.3, costs 2.1
e africa » em africa, de africa, eu africa

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 c personal communication costs 20 developing e africa.*.