Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien danh » thien danh, hien hanh, hien nhanh
cua chong » cua cong, cua chung, cua khong
tung cua » trung cua, tuong cua, dung cua
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
than cau » toan cau, phan cau, than cap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien danh - thanh tung cua chong ((cong tan) or (cong tac)) ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien danh - thanh tung cua chong ((cong tan) OR (cong tac)) ((than cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien danh - thanh tung cua chong ((cong tan) or (cong tac)) ((than cau) or (toan ban))*.