Perhaps you should try some spelling variations:
thanh trung » thanh tung
mot chieu » doi chieu, ho chieu
doc hieu » toc thieu, hoc thieu, hoc hien
tam dung » tam duong, tac dung, am dung
tan dung » tran dung, tin dung, van dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ((mot chieu) or (doc hieu)) tinh - thanh trung ((tam dung) OR (tan dung)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doc hieu)) tinh - thanh trung ((tam dung) OR (tan dung)) cong dan toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doc hieu)) tinh - thanh trung ((tam dung) OR (tan dung)) cong dan toan ban*".