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

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: (("dynamical systems") OR ((((((("dynamic systems") OR ("dynamischen systems"))) OR ("dynamic system"))) OR ((("dynamics system") OR ("dynamisches system")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"dynamical systems\") or (((((((\"dynamic systems\") or (\"dynamischen systems\"))) or (\"dynamic system\"))) or (((\"dynamics system\") OR (\"dynamisches system\"))))))".
• Removing quotes may allow a broader search: (( dynamical systems ) or ((((((( dynamic systems ) or ( dynamischen systems ))) or ( dynamic system ))) or ((( dynamics system ) OR ( dynamisches system )))))).
• Adding a wildcard symbol may retrieve word variants: (("dynamical systems") or ((((((("dynamic systems") or ("dynamischen systems"))) or ("dynamic system"))) or ((("dynamics system") OR ("dynamisches system"))))))*.