Perhaps you should try some spelling variations:
yan yanling » wang yanling, yan jianping
health gain » health goals
heat gain » health gains, wheat grains
shang kai » shang hai
yang jin » yang jie, yang jun, ying jin
hong a » hong ma, hong w, kong a
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 yanling ((heat gain) OR (health gain)) yang jin ((shang kai) or (hong a)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yanling ((heat gain) OR (health gain)) yang jin ((shang kai) OR (hong a)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan yanling ((heat gain) OR (health gain)) yang jin ((shang kai) or (hong a)) ;*".