Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centre » information centers, information contents
technologies 2.1 » technologies _, technologies 4, technologies a
g communications » 2 communications, 3 communications, 4 communications
2.1 information » 3.1 information
10.4 developing » 1.4 developing, 12.4 developing, 10.3 developing
centre case » century case, centred care, central case
costs 10.4 » costs 10.6, costs 11.4, costs 12.4
case g » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information centre case g communications costs 10.4 developing _ africa.*.