Perhaps you should try some spelling variations:
nguoi dung » nguoi nung, nguoi muong, noi dung
quyen vang » quyen van, quyet van, huyen van
nguoi duoc » nguoi nuoc, nguoi thuoc, nguoi dao
quen vang » quan van, que van, que lang
thuoc mot » huoc mot, thuoc moi, thuoc ma
nhung gi » nhung bi, nhung bai
nhung si » nhung bi, nhung su, nhung se
si quyen » khi quyen, gia quyen, dai quyen
duoc hoc » quoc hoi
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 gi quen vang. nguoi dung thuoc mot ) or ( nhung si quyen vang. nguoi duoc hoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung gi quen vang. nguoi dung thuoc mot ) OR ( nhung si quyen vang. nguoi duoc hoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung gi quen vang. nguoi dung thuoc mot ) or ( nhung si quyen vang. nguoi duoc hoc mo ))*.