Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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: doi chieu sach - hanh ((tranh cua) OR (trung tuan)) phan thuong ((dan toan) OR (dan than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh ((tranh cua) or (trung tuan)) phan thuong ((dan toan) OR (dan than)) cau~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((tranh cua) or (trung tuan)) phan thuong ((dan toan) OR (dan than)) cau*.