Perhaps you should try some spelling variations:
giay thanh » gia thanh, gian thanh
thanh doi » thanh loi, thanh moi, thanh do
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
lieu van » hieu van, sieu van, lieu nano
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
tu giay » tu giao, tu giac, cau giay
cua tre » cua te, cuu tre, dua tren
nam tu » nam thu, nam thuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty nang ma hoa. ((lieu van) or (lieu va)) nam tu giay thanh doi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty nang ma hoa. ((lieu van) OR (lieu va)) nam tu giay thanh doi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang ma hoa. ((lieu van) or (lieu va)) nam tu giay thanh doi ((cua tre) or (cua triet))*.