Perhaps you should try some spelling variations:
biet nghia » biet nghi, viet nghin
thoat nuoc » thuat nuoi
nhat nuoc » nha nuoc, dat nuoc, phap nuoc
nghia cua » nghiep cua, nghia xa, nghia duy
nhung bo » nhung bi, nhung don, trung bo
su sach » so sach, vu sach
doi va » hoi va, noi va, dai va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((nhat nuoc) OR (thoat nuoc)) biet nghia cua ets : ((nhung bo) OR (nhung bai)) doi va đai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((nhat nuoc) or (thoat nuoc)) biet nghia cua ets : ((nhung bo) OR (nhung bai)) doi va đai~".
• Adding a wildcard symbol may retrieve word variants: su sach ((nhat nuoc) or (thoat nuoc)) biet nghia cua ets : ((nhung bo) OR (nhung bai)) doi va đai*.