Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
manh trung » manh tung, thanh trung, manh hung
trung xuan » truong xuan, trung tuan, trung quan
xuan trung » xuan truong, quang trung, doan trung
cong canh » cong thanh, cong khanh, phong canh
cong danh » cuong danh, cong dan, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu manh - manh trung xuan trung ((cong canh) or (cong danh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu manh - manh trung xuan trung ((cong canh) OR (cong danh)) van ban*.