Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
model development » local development, social development, global development
technology post » technology cost, technology most, technology costs
post regulation » post regulations, past regulation, pest regulation
regulation de » regulation des, regulation die, regulacion de
prices based » price based, prices cases, probes based
costs model » cost model, cost models, costs money
de prices » do prices, debt prices, set prices
china das » chinas das, china des, china data

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

• Adding a wildcard symbol may retrieve word variants: technology post regulation de prices based communications costs model development china das.*.