Perhaps you should try some spelling variations:
development numeric » development numerical, development nigeria, development number
trade development » software development
du communication » de communication, eu communication, 3 communication
technology und » technology fund, technology used, technology use
costs trade » costly trade
2 wie » 3 wie

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: "technology und innovation ((2 wie) OR (2 die)) du communication costs trade development numeric _.~".
• Adding a wildcard symbol may retrieve word variants: technology und innovation ((2 wie) OR (2 die)) du communication costs trade development numeric _.*.