Perhaps you should try some spelling variations:
technology trade » technology trends, technology transfer, technology transfers
go communication » ngo communication, do communications, de communication
development plan » development plans, development planning, development policy
trade relations » trade regulation
relations der » relations under, relations das, relations do
costs career » costs chapter, costs case, costs clear
plan africa » can africa, pan african, urban africa
der prices » user prices, debt prices, do prices
prices go » prices co, prices how, prices pro

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 prices go communication costs career development plan africa.*.