Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu sang » chieu sach, chieu xanh, hieu lang
thuong cua » huong cua, thong cua, truong cua
nhung dong » nhung don, nhung cong, nhung bong
nhung dung » phuong dung, ung dung, thong dung
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh hoc » thanh hoa, than hoc, thanh ho

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)) - thanh thuong cua ((nhung dong) OR (nhung dung)) thanh hoc tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - thanh thuong cua ((nhung dong) OR (nhung dung)) thanh hoc tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sang)) - thanh thuong cua ((nhung dong) OR (nhung dung)) thanh hoc tap*".