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