Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu quang » thieu quang, hieu quan, hieu qua
hanh tranh » canh tranh, hanh trinh, hanh trang
cua nhung » va nhung
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (hieu quang)) - hanh tranh ((cua nhung) or (cua cong)) cong van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (hieu quang)) - hanh tranh ((cua nhung) OR (cua cong)) cong van than cap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (hieu quang)) - hanh tranh ((cua nhung) or (cua cong)) cong van than cap*.