Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
communication model » communication media
technologies a » technologies _, technologies 4, technologies 2
aa development » a development, ma development, asia development
a information » 2 information, 1 information
china africa » cpia africa, china asia
deep crisis » deep cross, deep origins
gap deep » gap die
model aa » model a, model act, model ali

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

• Adding a wildcard symbol may retrieve word variants: technologies a information gap deep crisis communication model aa development china africa.*.