Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
dong ping » dong sin, dong bin, dong jung
kim dong » kim song, kim jong, kim young
dong hui » tong hui, dong hoi, dong hua
nan yan » wang yan, qian yan, dan yang
nan ya » nana yaa
l wang » li wang, _ wang, x wang
et l » et al, et la, et le

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((nan ya) OR (nan yan))) or (dong ping)) et l wang yong kim dong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((nan ya) OR (nan yan))) OR (dong ping)) et l wang yong kim dong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((nan ya) OR (nan yan))) or (dong ping)) et l wang yong kim dong hui ;*".