Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hieu dien » lieu dien, bieu dien, tieu dien
ban duoc » tan duoc, van duoc, ban thuoc
thanh ve » hanh ve, thanh va, thanh vien
thanh vi » hanh vi, thanh va, nhanh vi
duoc gia » duoc giao, quoc gia, duc gia
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky lang xa hoi. ((hieu dien) OR (hieu hien)) ban duoc gia ((thanh vi) or (thanh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. ((hieu dien) OR (hieu hien)) ban duoc gia ((thanh vi) OR (thanh ve)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang xa hoi. ((hieu dien) OR (hieu hien)) ban duoc gia ((thanh vi) or (thanh ve)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. ((hieu dien) OR (hieu hien)) ban duoc gia ((thanh vi) or (thanh ve)) cua tre*.