Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu xanh » hieu manh, hieu nganh, dieu hanh
canh manh » lanh manh, canh tranh, cach mang
cua thong » cua thuong, cua khong, cua tong
manh cua » doanh cua, ban cua
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (chieu xanh)) - canh manh cua thong cong ((dan toan) or (dan than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - canh manh cua thong cong ((dan toan) OR (dan than)) tap.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (chieu xanh)) - canh manh cua thong cong ((dan toan) or (dan than)) tap*.