Perhaps you should try some spelling variations:
yuhan wang » yan wang, yuhuan huang
yuan wang » yan wang, yuan kang, yuan chang
heat gain » health gain, health gains, wheat grains
shang hai » shang kai, dang hai, chang ha
hua gain » run gain, hua ban, via gain
li shang » li zhang, wei shang, xia shang
yang li » yang lin, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yuhan wang) or (yuan wang)) ((hua gain) or (heat gain)) yang li shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yuhan wang) OR (yuan wang)) ((hua gain) OR (heat gain)) yang li shang hai ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yuhan wang) or (yuan wang)) ((hua gain) or (heat gain)) yang li shang hai ;*.