Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
cuong cong » cong cong, luong cong, duong cong
hanh hang » thanh hang, hang hang, hanh han
duc cuong » dai cuong, duc hung
hang duc » hoang duc, dang duc, hong duc
cong san » cong tac
than cao » thai cao, than cap, than sao
toan cao » toan ban, toan tap

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 (chieu sang)) - hanh hang duc cuong cong san ((than cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh hang duc cuong cong san ((than cao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - hanh hang duc cuong cong san ((than cao) or (toan cao))*.