Perhaps you should try some spelling variations:
risco communication » risk communication, crisis communication, radio communication
communication model » communication media
information gaps » information gap
ship development » ships development, sheep development, step development
technologies 2 » technologies _, technologies 4
china afrique » china africa
model ship » model scip, model spin, model step
de risco » de riesgo, de rio, de risi
gaps de » gaps do, camps de, gaps new

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information gaps de risco communication model ship development china afrique.*.