Perhaps you should try some spelling variations:
heats » cheats, heat, heads
cheat » cheap, wheat, chat
cheath » cheaph, wheath, chath, heath, sheath, cheats
cheads » heads, cheats, chears
aheads » ahead, heads, warheads
chath » chatha, chats, chate
wheath » wheat, heath, sheath

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: "(heats OR ((cheat OR (cheads OR aheads)) OR ((cheath OR chath) OR wheath))) of mixing AND (solution" or solutions").
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(heats or ((cheat or (cheads or aheads)) or ((cheath OR chath) or wheath))) of mixing and (solution\" or solutions\")".
• Removing quotes may allow a broader search: (heats or ((cheat or (cheads or aheads)) or ((cheath OR chath) or wheath))) of mixing and (solution or solutions ).
• Adding a wildcard symbol may retrieve word variants: "(heats or ((cheat or (cheads or aheads)) or ((cheath OR chath) or wheath))) of mixing and (solution" or solutions")*.