Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
yan guan » gan guan, yan yuan, yihan guan
yang duc » sang duck, yang di, yang jui
dan phan » van phan, dan pelan, dan pad
yang du » yang di, yang d, yang mu
dan hai » dang hai, dann hat
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang hyoung ((yan guan) or (yang guang)) tan ((yang duc) or (yang du)) ((dan hai) OR (dan phan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang hyoung ((yan guan) OR (yang guang)) tan ((yang duc) OR (yang du)) ((dan hai) OR (dan phan)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung ((yan guan) or (yang guang)) tan ((yang duc) or (yang du)) ((dan hai) OR (dan phan)) ;*".