Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
bien tinh » bi tinh, yen tinh, diep tinh
trung cac » truong cac, trung cap, trong cac
ban cong » bang cong, van cong, phan cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
cac ban » cac dan, cac van, can 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 ((((chieu xanh) OR (chieu tinh))) or (bien tinh)) - thanh trung cac ban cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (chieu tinh))) OR (bien tinh)) - thanh trung cac ban cong tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu xanh) OR (chieu tinh))) or (bien tinh)) - thanh trung cac ban cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) OR (chieu tinh))) or (bien tinh)) - thanh trung cac ban cong tan toan tap*.