Perhaps you should try some spelling variations:
"nuclear physics, heavy mesons, hadrons" » "nuclear physics, heavy metals, hadrons", "nuclear physics, heavy ions, hadrons"
"nuclear physics, heavy smoker, hadrons" » "nuclear physics, heavy smokers, hadrons", "nuclear physics, heavy snorers, hadrons", "nuclear physics, heavy smoking, hadrons"
"nuclear physics, heavy sons, hadrons" » "nuclear physics, heavy ions, hadrons", "nuclear physics, heavy sour, hadrons"

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: (((("nuclear physics, heavy sons, hadrons") OR ("nuclear physics, heavy mesons, hadrons"))) OR ("nuclear physics, heavy smoker, hadrons")).
• Removing quotes may allow a broader search: (((( nuclear physics, heavy sons, hadrons ) or ( nuclear physics, heavy mesons, hadrons ))) or ( nuclear physics, heavy smoker, hadrons )).
• Adding a wildcard symbol may retrieve word variants: (((("nuclear physics, heavy sons, hadrons") or ("nuclear physics, heavy mesons, hadrons"))) or ("nuclear physics, heavy smoker, hadrons"))*.