Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, thi chieu
phung cong » nhung cong, phong cong, nhung chong
chong cong » cong cong, thong cong, cuong cong
thanh toan » thanh hoa, thanh san, tinh toan
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
theo chu » cho chu, chao chu, theo yeu
toan ban » van ban

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

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