Terms are combined with AND. Prefix a term with - to exclude it.
Quote phrases: name:"Molten Iron".
A bare term matches names and formulas; use desc: to
search description text. If it also
reads as chemistry — Cu, H2O, SO4 —
it matches composition too, so Cu finds Chalcopyrite as well as Copper.
Start from either end. You can add the other later.
Name an output and this works backwards to what it takes.
Name what you have and see what it can become.