Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
tung quan » tuong quan, trung quan, dung quan
quan dung » quang dung, quan duong, qua dung
ho chieu » theo chieu, hoc thieu, mot chieu
cong tan » cong tac, cong san, cong thanh
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) or (ho chieu)) xanh - thanh tung quan dung ((cong tan) or (truong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - thanh tung quan dung ((cong tan) OR (truong thanh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) xanh - thanh tung quan dung ((cong tan) or (truong thanh)) toan ban*.