Perhaps you should try some spelling variations:
"dynamischen systems" » "dynamischen systemen", "dynamischer systeme", "dynamische systeme"
"dynamical system" » "dynamical systems"
"dynamic systems" » "dynamical systems", "economic systems", "dynamical systemss"
"dynamics system" » "dynamisches system", "dynamical systems"
"dynamic system" » "dynamical systems"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("dynamic systems") OR ("dynamischen systems"))) OR ("dynamic system"))) OR ((("dynamics system") OR ("dynamical system")))).
• Removing quotes may allow a broader search: (((((( dynamic systems ) or ( dynamischen systems ))) or ( dynamic system ))) or ((( dynamics system ) or ( dynamical system )))).
• Adding a wildcard symbol may retrieve word variants: (((((("dynamic systems") or ("dynamischen systems"))) or ("dynamic system"))) or ((("dynamics system") or ("dynamical system"))))*.