Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
theo chieu » theo tieu, theo chu, thi chieu
cua phuong » cuu phuong, cuc phuong, xuan phuong
hanh tang » hanh trang, anh tang, hanh mang
ho chieu » hoc thieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 (ho chieu)) sach - hanh tang ((cua phuong) OR (luan phuong)) cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - hanh tang ((cua phuong) OR (luan phuong)) cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) sach - hanh tang ((cua phuong) OR (luan phuong)) cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - hanh tang ((cua phuong) OR (luan phuong)) cong tan toan ban*.