Perhaps you should try some spelling variations:
tuan heat » tuan hua, tube heat
heat gain » health gain, health gains, wheat grains
dang hadi » dang hai
yan tuan » yan guan, yan yuan, anh tuan
ying jin » jing ji, yang jie
yang jin » yang jie, yang jun, shang jin
yang jui » yang judy, yang di, yang xi
yang li » yang lin, yang di, yang xi
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan tuan heat gain ((yang li) or (((((ying jin) OR (yang jin))) or (yang jui)))) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan tuan heat gain ((yang li) OR (((((ying jin) OR (yang jin))) OR (yang jui)))) dang hadi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan tuan heat gain ((yang li) or (((((ying jin) OR (yang jin))) or (yang jui)))) dang hadi ;".
• Adding a wildcard symbol may retrieve word variants: wang yan tuan heat gain ((yang li) or (((((ying jin) OR (yang jin))) or (yang jui)))) dang hadi ;*.