Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
transformation a » transformation _
development 2 » development 1, development 2.1, development 2.3
de crisis » debt crisis, pre crisis, age crisis
media gas » media case, media bias, media a
2 aid » _ aid, 2 aim, 2 air
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ transformation a de crisis communication media gas development 2 aid.*.