Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
chau tinh » cuu tinh, ha tinh, cua tinh
tung cua » trung cua, tuong cua, dung cua
han cong » phan cong, hang cong, hanh cong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
cua han » cua hang, cua nhan, cua phan

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 (chau tinh)) - thanh tung cua han cong tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chau tinh)) - thanh tung cua han cong tan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chau tinh)) - thanh tung cua han cong tan ((toan tap) or (toan ban))*.