Perhaps you should try some spelling variations:
border communications » jordan communications, modern communications, better communication
used transformations » use transformation, field transformations, und transformation
communications costs » communication costs, communications _
technologies used » technologies based, technology used, technologies _
developing city » developing cities, developing data, developing high
4 developing » 3 developing
city africa » china africa, cults africa
ko border » _ border, eu border, a border
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 used transformations _ ko border communications costs 4 developing city africa.*.