Perhaps you should try some spelling variations:
biet nghia » biet nghi, viet nghin
nuoc biet » nuoc viet, nguoi biet, quoc viet
nghia cua » nghiep cua, nghia xa, nghia duy
nhung don » nhung van
nhung bo » nhung bi, nhung bai, trung bo
su sach » so sach, vu sach
doi vi » doi voi, doi vai, doi va
nha » nhan, nhat

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach nha nuoc biet nghia cua ets : ((nhung bo) OR (nhung don)) doi vi đai~".
• Adding a wildcard symbol may retrieve word variants: su sach nha nuoc biet nghia cua ets : ((nhung bo) OR (nhung don)) doi vi đai*.