Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh tung » thanh cong
tong cong » trong cong, cong cong, dung cong
van thanh » van tuan
ban thanh » ban hanh, ban hang
tung cho » dung cho, tung ho, tang cho
cho tong » cho trong, cho tuong, cho cong

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