Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tang luan » dung luan
cong manh » cong danh, duong manh, cong thanh
anh tang » anh bang, anh dang, anh nang
luan san » luan van, luan hoan, luan phan
san cong » sang cong, van cong, ban cong
manh van » anh van, menh van, canh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sang)) - anh tang luan san cong manh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - anh tang luan san cong manh van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - anh tang luan san cong manh van ban*.