Perhaps you should try some spelling variations:
risco communication » risk communication, crisis communication, radio communication
communication model » communication media
clean development » human development, urban development
information 1.2 » information 1.5.2, information 2
bank afrique » en afrique, bank africa, bank african
model clean » model coleman, model can, model learn
de risco » de riesgo, de rio, de risi
1.2 de » 1.2 die, 1.2 der, 1.2 des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1.2 de risco communication model clean development bank afrique.*.