Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
tuong cong » truong cong, trong cong, tong cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, mot chieu
ho chieu » theo chieu, hoc thieu, mot chieu
ba tuong » ban tuong, bao tuong, va tuong
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 (doi chieu)) sach - ((hanh trung) or (canh tranh)) ba tuong cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - ((hanh trung) OR (canh tranh)) ba tuong cong thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - ((hanh trung) or (canh tranh)) ba tuong cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - ((hanh trung) or (canh tranh)) ba tuong cong thanh toan ban*.