Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
khach san » khach hang, thanh san
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh han
hanh san » thanh san, thanh son, khanh son
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hanh ban) OR (((hanh san) OR (khach san)))) cua nhung cong san toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((hanh ban) or (((hanh san) OR (khach san)))) cua nhung cong san toan ban~".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((hanh ban) or (((hanh san) OR (khach san)))) cua nhung cong san toan ban*.