Perhaps you should try some spelling variations:
based communication » brand communication, based compensation, mediated communication
technology change » technological change, technological changes
change extraction » charge extraction, change action, change detection
de developpement » sme development
extraction de » extraccion del, extraktion der, extraction _
risco based » risk based
des africa » does africa, yes africa, de africa
de risco » de riesgo, de rio, de risi
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology change extraction de risco based communication a de developpement des africa.*.