Perhaps you should try some spelling variations:
quen vang » quan van, que van, que lang
doi tuong » moi truong, doi song
tuong hoc » truong hoc, tuong ho, duong hoc
tuong uoc » huong uoc, truong quoc, thuong duoc
bai quen » bai luyen, dai quyen, hai quan
thi dua » thi dung
dua van » duy van, dua vao, duc van
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 bai quen vang. doi tuong hoc mo ) or ( phung thi dua van. doi tuong uoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung bai quen vang. doi tuong hoc mo ) OR ( phung thi dua van. doi tuong uoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung bai quen vang. doi tuong hoc mo ) or ( phung thi dua van. doi tuong uoc mo ))*.