Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
thanh toan » thanh hoa, thanh san, tinh toan
hoc chieu » hoc thieu, ho chieu, hoc hien
tang luan » dung luan
tranh cua » doanh cua, manh cua
manh toan » anh tuan, tinh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((tang luan) or (tranh cua)) nhung cong ((manh toan) OR (thanh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((tang luan) OR (tranh cua)) nhung cong ((manh toan) OR (thanh toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((tang luan) or (tranh cua)) nhung cong ((manh toan) OR (thanh toan)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((tang luan) or (tranh cua)) nhung cong ((manh toan) OR (thanh toan)) ban*.