Perhaps you should try some spelling variations:
sieu viet » su viet, dien viet, bien viet
hieu vien » hieu hien, hieu viec, thieu nien
bach duoc » bach tuoc, sach duoc, ban duoc
duoc gia » duoc giao, quoc gia, duc gia
thanh vi » hanh vi, thanh va, thanh ve
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cua tre » cuu tre, cua triet, dua tren
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky lang xa hoi. ((hieu vien) or (sieu viet)) bach duoc gia thanh vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. ((hieu vien) OR (sieu viet)) bach duoc gia thanh vi ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang xa hoi. ((hieu vien) or (sieu viet)) bach duoc gia thanh vi ((cua tre) OR (cua te))*".