Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
toan tuan » tran tuan, toan quan, doan tuan
tuan hung » tran hung, luan hung, tuan dung
hung cong » nhung cong, hung cuong, phung cong
trong van » trong cac
khi xanh » khia canh, thi hanh, thi anh
tang van » dang van, hoang van, tang luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi xanh - thanh toan tuan hung cong ((tang van) or (trong van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - thanh toan tuan hung cong ((tang van) OR (trong van)) ban*.