Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
trung tuan » trung thanh, trung tam, tran tuan
thuong dan » huong dan, thuong han, thuong dam
doanh cua » doanh luan
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
dan toan » van toan, dan than, manh toan
toan tap » 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: theo chu sach - hanh ((doanh cua) OR (trung tuan)) phan thuong dan toan tap~.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh ((doanh cua) or (trung tuan)) phan thuong dan toan tap*.