Perhaps you should try some spelling variations:
data communication » data communications
developpement de » developpement des, developpement durable
im variation » die variation, _ variation, 2 variation
variation de » variation des, variation der, variation due
okonomie im » okonomie 1, okonomie der, okonomie und
de monetary » die monetare, fed monetary, new monetary
de afrique » de l'afrique, en afrique, l afrique
2 ets » _ ets, 2 its
2 et » 2 set, 12 et, 2 get

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: "okonomie im variation de monetary data communication ((2 et) OR (2 ets)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: okonomie im variation de monetary data communication ((2 et) OR (2 ets)) developpement de afrique.*.