Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tham » trung tam, trung thanh, trung thang
tham nhung » thi nhung
doi chieu » doc hieu, doi chi, mot chieu
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: ((ho chieu) OR (doi chieu)) tinh - thanh trung tham nhung ((huong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - thanh trung tham nhung ((huong dan) OR (cong tan)) toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) tinh - thanh trung tham nhung ((huong dan) or (cong tan)) toan ban*".