Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
qian wang » yiqian wang, qian rong, qian yan
yang yang » wang yang, wang yan
yan wang » yuan wang, yan liang, yan zhang
hua gain » heat gain, run gain, hua ban
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, zhong tai, dang hai

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

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