Perhaps you should try some spelling variations:
"quantum numerical calculations" » "quantum numerical calculation", "quantum numerical simulation", "quantum numerical solutions", "quantum spherical calculations", "quantiles numerical calculations", "quantum chemical calculations"
"momentum numerical calculations" » "momentum numerical calculation", "momentum numerical simulation", "momentum numerical solutions", "medium numerical calculations"
"quantum numerical simulations" » "quantum numerical simulation", "quantum numerical solution", "quantum spherical simulations", "quantiles numerical simulations", "quantum chemical simulations"

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: (((("quantum numerical calculations") OR ("momentum numerical calculations"))) OR ("quantum numerical simulations")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"quantum numerical calculations\") OR (\"momentum numerical calculations\"))) or (\"quantum numerical simulations\"))".
• Removing quotes may allow a broader search: (((( quantum numerical calculations ) OR ( momentum numerical calculations ))) or ( quantum numerical simulations )).
• Adding a wildcard symbol may retrieve word variants: (((("quantum numerical calculations") OR ("momentum numerical calculations"))) or ("quantum numerical simulations"))*.