Perhaps you should try some spelling variations:
lang yan » wang yan, wang yang, zhang yan
kim song » kim young, kim eung
min cong » minh cong, min hong, min jeong
yang xu » yang du, yang jui, yang jun
yang mu » yang du, yang muxi, yang jui
yang xi » yang di, yang yi, yang jui
li song » li cong, li rong, jie song

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 ((((yang xu) or (yang mu))) or (yang xi)) ((li song) OR (kim song)) min cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((((yang xu) OR (yang mu))) OR (yang xi)) ((li song) OR (kim song)) min cong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan ((((yang xu) or (yang mu))) or (yang xi)) ((li song) OR (kim song)) min cong shu ;*".