Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thanh tra » thanh toan, thanh hoa
nang dung » dang dung, nang dong, rang dung
dung cong » dung trong
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan tap » toan tap, tuan tai, tuyen tap

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 san) or (thanh tra)) nang dung cong san tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - ((thanh san) OR (thanh tra)) nang dung cong san tuan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - ((thanh san) or (thanh tra)) nang dung cong san tuan tap*.