Perhaps you should try some spelling variations:
thieu nien » thien nhien
nhieu viec » hieu viec, nhien viet
bach tuoc » sach duoc, sach nuoc
thanh vai » thanh hai, thanh van, thanh tai
tuoc gia » quoc gia, toc gia, luoc gia
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang ha » long ha
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty lang ha hoi. ((thieu nien) or (nhieu viec)) bach tuoc gia thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty lang ha hoi. ((thieu nien) OR (nhieu viec)) bach tuoc gia thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty lang ha hoi. ((thieu nien) or (nhieu viec)) bach tuoc gia thanh vai cua tre*.