Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
truong cho » truong cao, trong cho, truong pho
nhung cong » dung cong, thong cong, hang cong
cho nhung » cho chuong, cua nhung, thi nhung
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: hoc ((thieu sach) OR (chieu sach)) - thanh truong cho nhung cong ((dan toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - thanh truong cho nhung cong ((dan toan) OR (dan than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (chieu sach)) - thanh truong cho nhung cong ((dan toan) or (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) OR (chieu sach)) - thanh truong cho nhung cong ((dan toan) or (dan than)) cao*.