Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh
manh trung » manh tung, thanh trung, manh hung
trung tuan » trung thanh, trung tam, tran tuan
hieu manh » hieu nganh, dieu hanh, hien hanh
tuan ban » tuan bang, toan ban, luan ban
ban cong » bang cong, van cong, phan cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((hieu manh) or (chieu xanh))) or (chieu sang)) - manh trung tuan ban cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((hieu manh) OR (chieu xanh))) OR (chieu sang)) - manh trung tuan ban cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((((hieu manh) or (chieu xanh))) or (chieu sang)) - manh trung tuan ban cong tac toan cao*.