Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
technologies based » technologies used, technology based, technologies a
based innovation » und innovation
use development » case development, sme development, e development
efforts use » efforts have, efforts role
de crisis » debt crisis, pre crisis, age crisis
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 based innovation a de crisis communication efforts use development _ afrique.*.