Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang ma » tang ma, sang ma, nang cao
cac bac » cac bai, cac ban, cac cach
van vat » van chat, nhan vat
vat cua » mat cua, bat cua, dat cua
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
bac va » ban va, bac ha, bao va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ly nang ma hoi. ((hieu qua) or (lieu va)) cac bac va van vat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang ma hoi. ((hieu qua) OR (lieu va)) cac bac va van vat cua tre*.