Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh tran » hanh trang, thanh tran, hanh tram
dang cong » dung cong
tran cong » tran hong, trien cong, tran hoang
tran van » luan van
van danh » van doanh, van anh, van hanh
danh ca » dan ca, doanh cua, danh cho

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 - hanh tran van ((dang cong) or (tran cong)) van danh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu manh - hanh tran van ((dang cong) OR (tran cong)) van danh ca*.