Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies sector » technology sector, technologies series
oman communications » human communications, iran communications, romania communications
sector interaction » sector interactions, vector interaction, sector integration
interaction how » integration how, interaction from, interaction _
20 development » 2 development, 2015 development, 2007 development
data oman » data man, data human, data ocean
1 afrique » l afrique, en afrique, 1 enrique
how data » flow data, raw data, new data
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologies sector interaction how data oman communications costs 20 development 1 afrique.*.