Perhaps you should try some spelling variations:
true communication » truth communication, time communication, stroke communication
communication cost » communication costs, communication costa, communications costs
vector development » sector development, sector developments, factor development
development center » development case
technology shocks » technology shock, technology series, technology social
shocks relations » blacks relations, sorts relations, shock simulations
relations do » relations du, relations das, relations der
prices true » prices trade, prices table, prices taxes
cost vector » class vector, reset vector, short vector
center car » center can, center case, center harc

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

• Adding a wildcard symbol may retrieve word variants: technology shocks relations do prices true communication cost vector development center car.*.