Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song ming
hua irene » hua ren
song min » song ming, gong min, jong min
cong seo » hong seo, cong shu, cong sun
yang xi » yang di, yang yi, yang jui
yan yi » yang yi, yan zi, yin yi
tan yi » tang yi, tan li, tan ying

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

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