Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, ho chieu
han tuong » han thuong, nhan tuong, han tong
tuong dan » huong dan, tung dan, xuong dan
tuan han » tuan hoan, luan han, tran han
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: doi chieu xanh - thanh trung tuan han tuong dan ((((toan cao) or (toan tap))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung tuan han tuong dan ((((toan cao) OR (toan tap))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung tuan han tuong dan ((((toan cao) or (toan tap))) or (toan ban))*.