Perhaps you should try some spelling variations:
thi phuong » thi truong
tieu sach » chieu sach, dien sach, te sach
canh hanh » xanh hanh, canh tranh, danh thanh
thu huong » thu cong
dinh toan » tinh toan, hinh toan, minh toan
toan ban » van ban
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - canh hanh va ((thu huong) or (thi phuong)) dinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - canh hanh va ((thu huong) OR (thi phuong)) dinh toan ban*.