Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
chong manh » thong minh, duong manh, hong hanh
cua khong » cua phuong, cua thuong, cua cong
hua khong » hoa khong, hoac khong, phuc khong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » hoc thieu, doi chieu, mot chieu
anh tang » anh bang, anh dang, anh nang
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: ((ho chieu) OR (theo chieu)) sach - anh tang ((cua khong) or (hua khong)) chong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - anh tang ((cua khong) OR (hua khong)) chong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - anh tang ((cua khong) or (hua khong)) chong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - anh tang ((cua khong) or (hua khong)) chong manh toan ban*.