Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
khach san » khach hang, thanh san
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
hanh san » thanh san, thanh son, khanh son
tran ban » tranh ban, tran van, toan 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: ho chieu sach - ((hanh san) OR (khach san)) cua ((hang cong) OR (dang cong)) tan tran ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh san) or (khach san)) cua ((hang cong) OR (dang cong)) tan tran ban~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh san) or (khach san)) cua ((hang cong) OR (dang cong)) tan tran ban*.