Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh hang » thanh hoang, thanh thang, tranh hang
hoac khong » hoa khong, hoc khong, hay khong
khong cang » thong cong, hong bang, khong dung
hieu lang » chieu sang, hieu quang, nhieu tang
hang hoac » hang hoa, hang khoa, nang hoc
tap doanh » tap doan, lap doanh, tap danh
doanh bat » danh bat, doanh tai, doanh va
cang tap » hang tap, cuong tap, cong tac

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 lang) or (chieu xanh)) - thanh hang hoac khong cang tap doanh bat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu xanh)) - thanh hang hoac khong cang tap doanh bat.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu xanh)) - thanh hang hoac khong cang tap doanh bat*.