Perhaps you should try some spelling variations:
khuc quyen » khuc huyen, thuoc quyen, khi quyen
nguoi dung » nguoi nung, nguoi muong, noi dung
quyen van » quyet van, huyen van, nguyen van
doi tuong » moi truong, doi song
tuong hoc » truong hoc, tuong ho, duong hoc
dung hoi » duong hoi, dung hoai, dung thoi
quy lang » que lang, quy long, quan lang
thi quy » tai quy, thien quy, thi quynh
hoi mo » hoi mot, hoi co, hoi o
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 khuc quyen van. nguoi dung hoi mo ) or ( phung thi quy lang. doi tuong hoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung khuc quyen van. nguoi dung hoi mo ) OR ( phung thi quy lang. doi tuong hoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung khuc quyen van. nguoi dung hoi mo ) or ( phung thi quy lang. doi tuong hoc mo ))*.