Perhaps you should try some spelling variations:
thanh tra » thanh toan, thanh hoa
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - ((tinh toan) or (thanh tra)) tuan hang cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((tinh toan) OR (thanh tra)) tuan hang cong san phan cau*.