Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
das developpement » des developpements, de developpement, du developpement
information need » information needs, information needed, information speed
technology 1 » technology _
price crisis » price risks, pre crisis, price risk
need price » feed price, agreed price, need privacy
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information need price crisis communication a das developpement _ america.*.