Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
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: ho chieu xanh - thanh trung ((cua dung) or (cua dong)) cong thanh ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((cua dung) OR (cua dong)) cong thanh ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((cua dung) or (cua dong)) cong thanh ((toan ban) or (toan tap))*.