Perhaps you should try some spelling variations:
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
hung tuong » nhung tuong, hung vuong, hung cuong
tran manh » tran minh, tran thanh, tran van
manh hung » anh huong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu sach) OR (chieu sach)) - thanh tran manh hung tuong ((dan toan) or (dan than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (chieu sach)) - thanh tran manh hung tuong ((dan toan) OR (dan than)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu sach) OR (chieu sach)) - thanh tran manh hung tuong ((dan toan) or (dan than)) tap".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) OR (chieu sach)) - thanh tran manh hung tuong ((dan toan) or (dan than)) tap*.