Perhaps you should try some spelling variations:
kyung hwan » jung hwan
jin kyung » jin ying, han kyung, jin kang
nong wang » hong wang, von wang
ping wang » ping pong, hong wang
liang sun » liang dan, wing sun
liang tan » liang dan, wing tan
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: jin kyung hwan ((nong wang) OR (ping wang)) ((liang sun) or (liang tan)) kong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: jin kyung hwan ((nong wang) OR (ping wang)) ((liang sun) OR (liang tan)) kong sar ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "jin kyung hwan ((nong wang) OR (ping wang)) ((liang sun) or (liang tan)) kong sar ;*".