Perhaps you should try some spelling variations:
"classical mechanical" » "classical mechanics", "chemical mechanical", "physical mechanical"
"classical stochastic" » "spatial stochastic", "local stochastic"
"classical mechanism" » "classical mechanisms", "classical mechanics", "classical mechanistic"

Try widening your search to All Fields.

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: (("classical mechanical") OR ((("classical mechanism") OR ("classical stochastic")))).
• Removing quotes may allow a broader search: (( classical mechanical ) or ((( classical mechanism ) or ( classical stochastic )))).
• Adding a wildcard symbol may retrieve word variants: (("classical mechanical") or ((("classical mechanism") or ("classical stochastic"))))*.