Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hang cong » dang cong, hang nong, bang cong
ban thanh » ban hanh, ban hang
thanh cao » thanh ca, thanh cac, thanh thao
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
anh tang » anh bang, anh dang, anh nang
cong ban » cong bang, cong san, cong tan
tang va » trang va, tang van, thang va
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 ((((chu xanh) or (chu manh))) or (chieu sach)) - anh tang va hang cong ban thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chu xanh) OR (chu manh))) OR (chieu sach)) - anh tang va hang cong ban thanh cao.
• Adding a wildcard symbol may retrieve word variants: theo ((((chu xanh) or (chu manh))) or (chieu sach)) - anh tang va hang cong ban thanh cao*.