Perhaps you should try some spelling variations:
duong loai » duong loi, dung loai, duong ngoai
nuoi duong » nguoi muong, boi duong, nguoi dung
nhung thi » nhung thoi, nhung tri, nhung chi
noi dung » hoc dung
dung hoc » dong hoc, trung hoc, dung khoa
thi duy » thi dua, thi du, thi quy
hoc mot » hoc moi
thi qua » thi quan, thi dua, thi cua
qua van » quan van, qua ban, qua san
loai co » loai bo, loai ca, loai go

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung thi duy vat. noi dung hoc mot ) or ( phung thi qua van. nuoi duong loai co ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung thi duy vat. noi dung hoc mot ) OR ( phung thi qua van. nuoi duong loai co )).
• Adding a wildcard symbol may retrieve word variants: (( nhung thi duy vat. noi dung hoc mot ) or ( phung thi qua van. nuoi duong loai co ))*.