Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
trinh toan » tinh toan, thanh toan, trinh han
thanh tra » thanh toan, thanh hoa
canh hang » tranh hang, cang thang, danh thang
hang cong » dang cong, hang nong, bang cong
tra canh » tra danh, tran manh, tra chinh
toan ban » van 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) or (chieu sang)) - thanh tra canh hang cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - thanh tra canh hang cong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - thanh tra canh hang cong trinh toan ban*.