Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
developmental trade » development trade, developmental state, developmental stage
information 1.2 » information 1.5.2, information 2
communication i » communication 3, communication 1, communication 2
technologies 4 » technologies _
4 information » 2 information, 1 information
trade africa » trade area
pre crisis » price crisis
1.2 pre » 3.2 pre, 2.2 pre, 1.2 ppe

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1.2 pre crisis communication i _ developmental trade africa.*.