Perhaps you should try some spelling variations:
gain yang » dan yang, tan yang, yin yang
daun yang » dan yang, du yang, tan yang
zhang hai » zhang dai, shang hai, zhang han
lang yan » wang yan, wang yang, zhang yan
yi zhang » li zhang, xi zhang, yi chang
yan yan » yan yuan, nan yan, yang yang
yan yun » yan yuan, yang yun, yan kun

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan yan yun ((gain yang) OR (daun yang)) yi zhang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan yan yun ((gain yang) OR (daun yang)) yi zhang hai ;*".