Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information center » information centers, information centre, information content
technologies d » technologies de, technologies 3d, technologies do
3.3 developing » 4 developing, 2 developing, 1 developing
d information » nd information, od information, und information
developing e » developing _, developing a, developing east
1 personal » a personal, 4 personal, 1945 personal
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
center 1 » center _, center a, center 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 d information center 1 personal communication costs 3.3 developing e africa.*.