Perhaps you should try some spelling variations:
jeong yeon » jeong hyeok, jeang yean, seung yeon
dong hoang » hong hong
wang yang » wang yan, wang liang, wang yanling
jeong seo » hong seo, jeong su
hua rene » hua ren, juan rene
rene kan » rene ten
kan min » han min, kian ming, kyaw min

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong hoang) or (wang yang)) ya hua rene kan min ((jeong seo) or (jeong yeon)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong hoang) OR (wang yang)) ya hua rene kan min ((jeong seo) OR (jeong yeon)) ;.
• Adding a wildcard symbol may retrieve word variants: ((dong hoang) or (wang yang)) ya hua rene kan min ((jeong seo) or (jeong yeon)) ;*.