Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thong cong » trong cong, tong cong, thong thong
tan thong » toan thong, tran thong, tao thong
doan phan » doanh phan, toan phan, dan phan
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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)) - thanh cong tan thong cong ((doan phan) or (toan ban)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - thanh cong tan thong cong ((doan phan) OR (toan ban)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sang)) - thanh cong tan thong cong ((doan phan) or (toan ban)) cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sang)) - thanh cong tan thong cong ((doan phan) or (toan ban)) cau*.