Perhaps you should try some spelling variations:
nhung loi » nhung bai, nhung bi, nhung gi
quen vang » quan van, que van, que lang
doi tuong » moi truong, doi song
tuong cac » truong cac, trong cac, luong cac
phung tac » phuong tay, phung tran, phuong tai
muong hoc » duong hoc, tuong hoc, muong hoa
loi quen » loi que, thoi quen, moi quan
cac cong » cua cong
quan va » quan vi, quan ha, luan va
hoc mo » hoc moi, hoc mot, hoc mon

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 quen vang. doi tuong cac cong ) or ( phung tac quan va. nguoi muong hoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung loi quen vang. doi tuong cac cong ) OR ( phung tac quan va. nguoi muong hoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung loi quen vang. doi tuong cac cong ) or ( phung tac quan va. nguoi muong hoc mo ))*.