Perhaps you should try some spelling variations:
thanh tung » thanh cong
chi danh » chi dan, chi dinh, chi hanh
tung qua » dung qua, tuong quan, trung quan
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan ban, toan tap
chi anh » chi hanh, thi anh, chi nhanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi danh) or (chi anh)) - thanh tung qua song ((cong tan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi danh) OR (chi anh)) - thanh tung qua song ((cong tan) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chi danh) or (chi anh)) - thanh tung qua song ((cong tan) or (cong san)) toan cao*.