Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tran » thanh trang, thanh toan, thanh tra
hanh tran » hanh trang, hanh tram, thanh trang
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
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 sang) or (trieu tinh)) - ((hanh tran) or (thanh tran)) van dung cong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (trieu tinh)) - ((hanh tran) OR (thanh tran)) van dung cong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (trieu tinh)) - ((hanh tran) or (thanh tran)) van dung cong tap toan ban*.