Perhaps you should try some spelling variations:
tran thanh » tran trang
van thanh » phan thanh, lam thanh, van chinh
main wong » main work
wong shiu » wong siu, cong shu, song shin
shiu gong » shi rong, shin dong
gong hui » tong hui, tong shui, wang hui
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang hyoung ((van thanh) OR (tran thanh)) main wong shiu gong hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung ((van thanh) OR (tran thanh)) main wong shiu gong hui ;*".