Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
iran communications » iraq communications, oman communications, france communications
information 1.5 » information 1.2, information 1.3, information 1.7
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
4 developing » 3 developing
modern iran » modern iron, modern arab, modern iranian
1.5 modern » 1.3 modern, 3.5 modern, 11.2 modern
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 1.5 modern iran communications costs 4 developing _ african.*.