Perhaps you should try some spelling variations:
"dynamisches system" » "dynamischer systeme", "dynamische systeme"
"dynamics systems" » "dynamischen systems", "dynamics statics"
"dynamic systems" » "economic 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: (("dynamical systems") OR ((((((("dynamics systems") OR ("dynamical system"))) OR ("dynamical systems"))) OR ((((("dynamics system") OR ("dynamisches system"))) OR ((("dynamic system") OR ("dynamic systems")))))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"dynamical systems\") or (((((((\"dynamics systems\") OR (\"dynamical system\"))) or (\"dynamical systems\"))) or (((((\"dynamics system\") or (\"dynamisches system\"))) or (((\"dynamic system\") or (\"dynamic systems\"))))))))".
• Removing quotes may allow a broader search: (( dynamical systems ) or ((((((( dynamics systems ) OR ( dynamical system ))) or ( dynamical systems ))) or ((((( dynamics system ) or ( dynamisches system ))) or ((( dynamic system ) or ( dynamic systems )))))))).
• Adding a wildcard symbol may retrieve word variants: (("dynamical systems") or ((((((("dynamics systems") OR ("dynamical system"))) or ("dynamical systems"))) or ((((("dynamics system") or ("dynamisches system"))) or ((("dynamic system") or ("dynamic systems"))))))))*.