Perhaps you should try some spelling variations:
trong huong » trong thuong, trong chuong, truong huong
hieu nganh » vien nganh, hiem ngan, hieu manh
hieu xanh » chieu xanh, hieu manh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cua trong » cua truong, cua trung, qua trong
tang cua » mang cua, hang cua, tang luan
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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 (hieu nganh)) - hanh tang cua trong huong ((dan than) or (ban than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu nganh)) - hanh tang cua trong huong ((dan than) OR (ban than)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu nganh)) - hanh tang cua trong huong ((dan than) or (ban than)) ban".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (hieu nganh)) - hanh tang cua trong huong ((dan than) or (ban than)) ban*.