Perhaps you should try some spelling variations:
dong thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
hang dong » hang nong, hang cong, hanh dong
thanh lap » thanh san, phan lap, thanh hai
cua hang » cua dang, cua nhung, cua cong
than cap » thanh cac, than cua, than va
khan cap » khan ap, khoan cam, phan cac

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 - canh tranh cua hang dong thanh ((((than cap) or (khan cap))) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh cua hang dong thanh ((((than cap) OR (khan cap))) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh cua hang dong thanh ((((than cap) or (khan cap))) or (thanh lap))*.