Perhaps you should try some spelling variations:
nhung loi » nhung bai, nhung bi, nhung gi
doi tuong » moi truong, doi song
tuong hoc » truong hoc, tuong ho, duong hoc
phung tai » phuong tai, phung thi, phong tai
dung quoc » dang quoc, dong quoc, trung quoc
noi dung » hoc dung
loi qua » hoi qua, loi que, loi hua
qua van » quan van, qua ban, qua san
hoc moi » hoc noi
tai cac » tai cuc
cac van » cac dan
quoc co » quoc cao, quoc cho, duoc co

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung loi qua van. doi tuong hoc moi ) or ( phung tai cac van. noi dung quoc co ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung loi qua van. doi tuong hoc moi ) OR ( phung tai cac van. noi dung quoc co )).
• Adding a wildcard symbol may retrieve word variants: (( nhung loi qua van. doi tuong hoc moi ) or ( phung tai cac van. noi dung quoc co ))*.