Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
anh nang » ganh nang, anh bang, anh sang
anh dang » anh dong, anh dung, anh bang
ban cong » bang cong, van cong, phan cong
cong san » cong tac
san toan » van toan, dan toan, manh 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 ((hieu manh) or (chieu sang)) - ((anh nang) or (anh dang)) cua ban cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - ((anh nang) OR (anh dang)) cua ban cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - ((anh nang) or (anh dang)) cua ban cong san toan ban*.