Perhaps you should try some spelling variations:
keong yeon » jeong yeon, seung yeon
dong hoang » hong hong
wang yong » wang yang, wang hyoung, wang yan
kin keong » king kong, min jeong
yang kin » yang jin, pang kin, yang lin
yi hua » li hua, ya hua, ying hua
yi hui » li hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yong) or (dong hoang)) ((yi hua) or (yi hui)) rest yang kin keong yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yong) OR (dong hoang)) ((yi hua) OR (yi hui)) rest yang kin keong yeon ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yong) or (dong hoang)) ((yi hua) or (yi hui)) rest yang kin keong yeon ;*.