Perhaps you should try some spelling variations:
taxes communications » states communications, mass communications, face communications
communications costs » communication costs, communications _
major development » major developments, bajo development, motor development
technology der » technology does, technology 4ir, technology dlt
der relation » der regulation, der relationen, der relativen
prices taxes » prices cases, prices causes, prices based
relation do » relations do, relation de, regulation do
costs major » costs matter
china data » china update, chinese data

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

• Adding a wildcard symbol may retrieve word variants: technology der relation do prices taxes communications costs major development china data.*.