Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
yang yang » wang yang, wang yan
gan guan » yan guan, quan guan, fan guon
lee keun » lee kyung, lee jean, lee kuan
keun de » keul die
de long » le long, de longue
long do » long d, long du, longer do

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yan liang) or (yang yang))) or (gan guan)) ((wang hua) or (taiwan china)) lee keun de long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yan liang) OR (yang yang))) OR (gan guan)) ((wang hua) OR (taiwan china)) lee keun de long do ;.
• Adding a wildcard symbol may retrieve word variants: ((((yan liang) or (yang yang))) or (gan guan)) ((wang hua) or (taiwan china)) lee keun de long do ;*.