Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development loans » development plans, development hans, development land
per development » power development, spur development, oer developments
risk selection » risk detection, task selection, risk reduction
selection book » selection bias, selection cost, selection form
loans africa » towns africa, goals africa, roads africa
book rates » block rates, bank rates, book notes
rates data » rate data, states data, cases data
costs per » cost per

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

• Adding a wildcard symbol may retrieve word variants: technology risk selection book rates data communications costs per development loans africa.*.