Perhaps you should try some spelling variations:
yang tuan » yang guang, yang dean, yang fan
tuan heat » tuan hua, tube heat
heat gain » health gain, health gains, wheat grains
wang yang » wang yan, wang liang, wang yanling
dang hari » dang hai
wei yang » pei yang, wei wang, wei yang's
wang lin » wang qin, yang lin, wang limin
yang jin » yang jie, yang jun, ying jin
wang li » wang lei, tang li, wang di

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

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