Perhaps you should try some spelling variations:
risi communication » risk communication, crisis communication, risk communications
technology sector » technology series, technology social
development can » development case, development co, development canada
can afrique » en afrique
de risi » de risk, de risco
a de » a die, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology sector integration a de risi communication _ a development can afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology sector integration a de risi communication _ a development can afrique.*.