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
tang thanh » dang thanh, trung thanh, hoang thanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cong tang » cong thang, cong tan, cong lang
thanh cac » hanh cac, thanh bac, thanh ca
hanh han » hanh nhan, hanh phan, hanh san

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) OR (chieu sang)) - ((hanh mang) or (hanh han)) he thong cong tang thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - ((hanh mang) OR (hanh han)) he thong cong tang thanh cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - ((hanh mang) or (hanh han)) he thong cong tang thanh cac*".