Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
lang cong » dang cong, bang cong, hang cong
ban thanh » ban hanh, ban hang
thanh cao » thanh ca, thanh cac, thanh thao
trung va » truong va, trang va, trung ha
cong ban » cong bang, cong san, cong tan
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chinh sach)) - hanh trung va lang cong ban thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chinh sach)) - hanh trung va lang cong ban thanh cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chinh sach)) - hanh trung va lang cong ban thanh cao*.