Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
tieu xanh » tieu danh, dieu hanh, tien anh
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
san thuc » dan thuc, sat thuc, van thuc
thuc bao » thuoc bao, thu bao, thac bao
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu xanh) or (chieu xanh)) - ((thanh trung) OR (thanh tung)) va hang cong san thuc bao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu xanh)) - ((thanh trung) OR (thanh tung)) va hang cong san thuc bao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (chieu xanh)) - ((thanh trung) OR (thanh tung)) va hang cong san thuc bao".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (chieu xanh)) - ((thanh trung) OR (thanh tung)) va hang cong san thuc bao*.