Perhaps you should try some spelling variations:
khia quyet » khi quyen, khai quyet
nhung khia » nhung gia, nhung khuc, nhung nha
nuoi duong » nguoi muong, noi dung, boi duong
duong hoc » dong hoc, duong hoi, duong ho
nhung gi » nhung bi, nhung bai
que vang » que van, que lang, que quang
tac dung » sach dung, xay dung, tin dung
dung hoc » dong hoc, dung thuoc, trung hoc
gi que » nghi que
hoc co » hoc cao

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 que vang. tac dung hoc co ) or ( nhung khia quyet van. nuoi duong hoc co ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung gi que vang. tac dung hoc co ) OR ( nhung khia quyet van. nuoi duong hoc co )).
• Adding a wildcard symbol may retrieve word variants: (( nhung gi que vang. tac dung hoc co ) or ( nhung khia quyet van. nuoi duong hoc co ))*.