Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
change development » changing development, chinese development, enhance development
development center » development case
luc communication » ec communication, atc communication, bic communication
technology trade » technology trends, technology transfer, technology transfers
trade relations » trade regulation
relations der » relations under, relations das, relations do
center africa » centers africa, century africa, century african
cost change » coast changes, must change, fast change
der crises » des crises, de crises, debt crises

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 crises luc communication cost change development center africa.*.