Perhaps you should try some spelling variations:
dong hoang » hong hong
jeong yeon » jeong hyeok, jeang yean, seung yeon
dong yang » wang yang, yang yang, dan yang
hua irene » hua ren
irene min » irene m
jeong seo » hong seo, jeong su
yang hua » wang hua, yang hui, ying hua
min min » min jin, min lin, emin mein

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong yang) OR (dong hoang)) yang hua irene min min ((jeong seo) or (jeong yeon)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (dong hoang)) yang hua irene min min ((jeong seo) OR (jeong yeon)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) OR (dong hoang)) yang hua irene min min ((jeong seo) or (jeong yeon)) ;".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) OR (dong hoang)) yang hua irene min min ((jeong seo) or (jeong yeon)) ;*.