Perhaps you should try some spelling variations:
"quantal dynamicsal system" » "quantal dynamics system", "quantum dynamical system", "quantum dynamics system", "quantal dynamical system", "quantal dynamical systems"
"quantum dynamic systems" » "quantum dynamics systems", "quantum dynamical systems", "quantum ecodynamic systems", "quantum 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: (("quantal dynamicsal system") OR ("quantum dynamic systems")).
• Removing quotes may allow a broader search: (( quantal dynamicsal system ) or ( quantum dynamic systems )).
• Adding a wildcard symbol may retrieve word variants: (("quantal dynamicsal system") or ("quantum dynamic systems"))*.