Perhaps you should try some spelling variations:
thieu manh » hieu manh, trieu minh, chieu xanh
phuong van » phung van, phong van, phuong lan
tien manh » tien anh, tien thanh, tieng anh
canh manh » lanh manh, canh tranh, cach mang
van thanh » ban thanh, van tuan
thanh ban » thanh san, thanh van, thanh bac

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 (tien manh)) - canh manh ((cua nhung) OR (va nhung)) phuong van thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu manh) OR (tien manh)) - canh manh ((cua nhung) OR (va nhung)) phuong van thanh ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu manh) or (tien manh)) - canh manh ((cua nhung) OR (va nhung)) phuong van thanh ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu manh) or (tien manh)) - canh manh ((cua nhung) OR (va nhung)) phuong van thanh ban*.