Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
technology role » technology's role, technology risk, technology r
role inflation » core inflation, rate inflation, price inflation
rate spaces » state spaces, data spaces, safe spaces
a du » a d, a u, _ du
a de » a die, a der, a des

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology role inflation rate spaces _ communication ((a du) OR (a de)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology role inflation rate spaces _ communication ((a du) OR (a de)) developpement en afrique.*.