Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
dang thanh » dong thanh, dang hanh, hoang thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
cong dang » cong dong, cong dan, cong dung
thanh van » thanh san, thanh toan, thanh phan
tranh va » tranh van, trang va, trinh va

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 (lieu tinh)) - canh tranh va nhung cong dang thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (lieu tinh)) - canh tranh va nhung cong dang thanh van*.