Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
cong thanh » dong thanh, cong trinh, cong tan
dang cong » dung cong
tieu sach » chieu sach, dien sach, te sach
dang cua » dung cua, dong cua, mang cua
toan tap » toan ban
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - anh ((dang cua) or (ban cua)) dang cong thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - anh ((dang cua) OR (ban cua)) dang cong thanh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - anh ((dang cua) or (ban cua)) dang cong thanh toan tap*.