Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
wenn man » kann man, wenn das
hua gain » heat gain, run gain, hua ban
yang jun » yang jui, pang jun, yang jin
hong hai » shang hai, zhong tai, dang hai
man han » man hat, man can, man kann
han hua » tan hua, wang hua, tuan hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: wenn man han hua gain ((yang liang) or (yang jun)) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wenn man han hua gain ((yang liang) OR (yang jun)) hong hai ;.
• Adding a wildcard symbol may retrieve word variants: wenn man han hua gain ((yang liang) or (yang jun)) hong hai ;*.