Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
oman communications » human communications, iran communications, romania communications
information 14.3 » information 4.3, information 1.3, information 1.2
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
4 developing » 3 developing
14.3 modern » 1.3 modern, 4.3 modern, 11.2 modern
modern oman » modern man, modern human, modern oral
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologie c information 14.3 modern oman communications costs 4 developing _ african.*.