Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
variation series » education series, action series, edition series
development eco » development second, development east, development menu
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
eco afrique » en afrique
series pwm » series pm, series m
a map » _ map, a man
a ma » a man, a max, al ma

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: "apologien der variation series pwm time communication ((a ma) OR (a map)) development eco afrique.~".
• Adding a wildcard symbol may retrieve word variants: apologien der variation series pwm time communication ((a ma) OR (a map)) development eco afrique.*.