Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
oral communications » oral communication, rural communications, moral communication
technologies exist » technologies bit, technologies series, technologies art
information centre » information centers, information contents
exist information » ist information, existing information, export information
developing ce » developing e, developing ict, developing cil
4 developing » 3 developing
centre new » century new, centre de, centre des
ce africa » de africa, care africa, use africa
new oral » new moral, knew moral, new rural
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: technologies exist information centre new oral communications costs 4 developing ce africa.*.