Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
recent innovations » process innovations
technology recent » technology report, technology agreement, technology elements
innovations japan » innovations a
development rate » development create, development route, development water
4 development » 2 development, 4 developing
rate africa » rates africa, rates aafrica, trade africa
japan a » japan _
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: technology recent innovations japan a data communications costs 4 development rate africa.*.