Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
change information » chandos information, trade information
technical change » technological change
a afrique » l afrique, en afrique
about de » about due, about dead, about debt
de risk » e risk, de risi, edge risk

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

• Performing a fuzzy search may retrieve terms with similar spellings: technical change information about de risk communication skills _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technical change information about de risk communication skills _ development a afrique.*.