Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
bien tinh » bi tinh, yen tinh, diep tinh
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
toan ban » van ban
so bien » mot bien

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "so bien tinh - thanh thang ((cua hang) OR (cua dang)) cong dang toan ban~".
• Adding a wildcard symbol may retrieve word variants: so bien tinh - thanh thang ((cua hang) OR (cua dang)) cong dang toan ban*.