Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh toan » tinh toan, thanh toan, trinh han
thanh tra » thanh toan, thanh hoa
tuan hang » tuan hoang, tuan dang, tuan hung
tuan bang » tuan dang, tuan hoang, thuat bang
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh tra ((tuan hang) or (tuan bang)) cong trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tra ((tuan hang) OR (tuan bang)) cong trinh toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tra ((tuan hang) or (tuan bang)) cong trinh toan tap*.