Perhaps you should try some spelling variations:
risi communication » risk communication, crisis communication, risk communications
development case » development china
technical chief » technical brief, technical changes, technical change
information act » information age, information a, information about
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.

• Performing a fuzzy search may retrieve terms with similar spellings: technical chief information act de risi communication costs _ development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technical chief information act de risi communication costs _ development case afrique.*.