Perhaps you should try some spelling variations:
key communication » grey communication, de communication, why communication
other development » other developments, other developmental, order development
technology trade » technology trends, technology transfer, technology transfers
trade relations » trade regulation
development age » development stage, development a, development aid
relations der » relations under, relations das, relations do
costs other » costs over
age africa » wages africa, care africa, use africa
der rates » des rates, der rate, der rat
rates key » ratios key, rates der, rates des

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

• Adding a wildcard symbol may retrieve word variants: technology trade relations der rates key communication costs other development age africa.*.