Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
thanh tung » thanh cong
tieu sach » chieu sach, dien sach, te sach
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
tung cua » trung cua, tuong cua, dung cua
dan toan » van toan, dan than, xuan toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - thanh tung cua nhung tuong ((dan toan) OR (manh toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - thanh tung cua nhung tuong ((dan toan) OR (manh toan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - thanh tung cua nhung tuong ((dan toan) OR (manh toan)) cao*.