Perhaps you should try some spelling variations:
nhanh cong » nhanh chong, thanh cong, nganh cong
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
cong cua » cong cu, dong cua, huong 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 - nhanh cong cua nhung cong ((dan toan) OR (manh toan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - nhanh cong cua nhung cong ((dan toan) OR (manh toan)) ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - nhanh cong cua nhung cong ((dan toan) OR (manh toan)) ban*.