Perhaps you should try some spelling variations:
information centres » information centre, information centrism, information centers
developing urban » development urban, developing human, developing areas
technologies pt » technologies _, technologies 4, technologies 2
e communication » de communication, 1 communication, une communication
pt information » ct information, plot information, get information
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
urban africa » urban area
costs 5.4 » costs 4.4, costs 6.4, costs 2.4
5.3 e » 5.3 _, 5.3 a, 3.3 e

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

• Adding a wildcard symbol may retrieve word variants: technologies pt information centres 5.3 e communication costs 5.4 developing urban africa.*.