Perhaps you should try some spelling variations:
lang hyoung » wang hyoung, kang young, hwang byoung
hyoung gun » young eun
yin yang » ying yang, yin fang, yin hang
jin ying » li ying
ying shu » ying zhu, cong shu, ying hua
gun hua » gui hua, tuan hua
yi yang » yi gang, yu yang, ying yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang hyoung gun hua ((yin yang) or (yi yang)) jin ying shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang hyoung gun hua ((yin yang) OR (yi yang)) jin ying shu ;*.