Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
cac chuong » cac phuong, cac chung, cac truong
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
cac cong » cua cong
dong van » duong van, dang van, dong von
van van » tan van, san van, van vat

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 - thanh thuong ((cac chuong) or (cac cong)) dong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh thuong ((cac chuong) OR (cac cong)) dong van van ban.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh thuong ((cac chuong) or (cac cong)) dong van van ban*.