Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
themes business » times business, smes business, games business
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
der themes » der themen, des themes, order themes
de afrique » de l'afrique, en afrique, l afrique
i aus » ii aus, _ aus, i auf
i au » i auf, i abu, i bau
theorie » theories

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

• Performing a fuzzy search may retrieve terms with similar spellings: theorie der variation der themes business community ((i au) OR (i aus)) developpement de afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theorie der variation der themes business community ((i au) OR (i aus)) developpement de afrique.*".