Perhaps you should try some spelling variations:
nguoi tuong » nguoi thuong, nguoi muong, nguoi thong
nuoi duong » nguoi muong, noi dung, boi duong
quen vang » quan van, que van, que lang
duong hoc » dong hoc, dung hoc, duong hoi
phung hai » phuong hai, hung hai, nhung khai
tuong hoc » truong hoc, tuong ho, tuong khoa
nhung gi » nhung bi, nhung bai
hoc cong » hoc co, cac cong, hoc dung
hai quan » tac quan
gi quen » si quyen
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 gi quen vang. nuoi duong hoc cong ) or ( phung hai quan va. nguoi tuong hoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung gi quen vang. nuoi duong hoc cong ) OR ( phung hai quan va. nguoi tuong hoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung gi quen vang. nuoi duong hoc cong ) or ( phung hai quan va. nguoi tuong hoc mo ))*.