Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang nong » thang long
doc hieu » toc thieu, hoc thieu, hoc hien
van than » van thanh, van thang, van tuan
than cau » toan cau, phan cau, than cap

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 manh - hanh trinh quan ((((hang nong) or (han tong))) or (dung trong)) van than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - hanh trinh quan ((((hang nong) OR (han tong))) OR (dung trong)) van than cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - hanh trinh quan ((((hang nong) or (han tong))) or (dung trong)) van than cau*.