Perhaps you should try some spelling variations:
communication model » communication media
risi communication » risk communication, crisis communication, risk communications
development banks » development bank
information act » information age, information a, information about
can development » clean development, chain development, plan development
model can » model case, model canvas
de risi » de risk, de risco
act de » act der, pact de, act does

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information act de risi communication model can development banks afrique.*.