Perhaps you should try some spelling variations:
thieu manh » tien manh, trieu minh, chieu xanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
than lang » nhan lang, tham lang, thon lang
lang cong » dang cong, bang cong, hang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
van than » van thanh, van thang, van tuan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu manh) or (hieu manh)) - luan van than lang cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu manh) OR (hieu manh)) - luan van than lang cong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu manh) or (hieu manh)) - luan van than lang cong manh toan tap*.