Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung tuong » nhung huong, nhung phuong, hung vuong
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
doanh thi » doanh tai, doanh thu, doan thi
thi nhung » thi nang, thi hong, thi huong
manh toan » thanh toan, anh tuan, tinh toan
van toan » van tuan, van tan, van thanh

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)) - doanh doanh thi nhung tuong ((van toan) or (manh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - doanh doanh thi nhung tuong ((van toan) OR (manh toan)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sach)) - doanh doanh thi nhung tuong ((van toan) or (manh toan)) tap*.