Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
tan thanh » tran thanh, tang thanh, toan thanh
thanh cac » hanh cac, thanh bac, thanh ca
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
ha tinh » va tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((ha tinh) OR (may tinh)) - cang thang ((cua dung) or (cua dong)) cong tan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((ha tinh) OR (may tinh)) - cang thang ((cua dung) OR (cua dong)) cong tan thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((ha tinh) OR (may tinh)) - cang thang ((cua dung) or (cua dong)) cong tan thanh cac".
• Adding a wildcard symbol may retrieve word variants: theo ((ha tinh) OR (may tinh)) - cang thang ((cua dung) or (cua dong)) cong tan thanh cac*.