Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
developpement de » developpement des, developpement durable
action series » education series
typologie de » typologie des, typologie der, typologien der
series bias » series based
bias device » final device
de afrique » de l'afrique, en afrique, l afrique
de action » de accion, de l'action, done action
a der » _ der, 2 der, 3 der
a de » a die, a des, _ de

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: "typologie de action series bias device communication ((a de) OR (a der)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de action series bias device communication ((a de) OR (a der)) developpement de afrique.*.