Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information bias » confirmation bias, information based, information banks
data development » delta development, doha development, data envelopment
development cpia » development capita, development china, development capital
cost data » test data
bias des » bias der, cas des, biais de
des mass » does mass, das mass, des mais

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information bias des mass communication cost data development cpia africa.*.