Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung toan » truong toan, trung tuan, trung tran
thong anh » thong danh, thong lanh, hong anh
toan tang » toan thang, toan mang, toan tong
ho chieu » theo chieu, hoc thieu, doi chieu
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 toan thong thong anh ((toan ban) or (toan tang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung toan thong thong anh ((toan ban) OR (toan tang)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung toan thong thong anh ((toan ban) or (toan tang))*.