Perhaps you should try some spelling variations:
quang cuong » dang cuong
quang hong » wang hong, zhang hong
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
hua irene » hua ren
kong saur » kong sar, kong siu, kong your
yang hua » wang hua, yang hui, ying hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang hua irene ((quang hong) or (quang cuong)) kong saur ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang hua irene ((quang hong) OR (quang cuong)) kong saur ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yang hua irene ((quang hong) or (quang cuong)) kong saur ;*.