Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
day thanh » dao thanh, dat thanh, da thanh
toc sach » hoc sach, doc sach, thuoc sach
thuc day » thuc dan, thuc vat
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
van am » van lam, van dam, van ai

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 ky nang xa hoi. hieu ((van am) OR (van nam)) thuc day thanh doi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky nang xa hoi. hieu ((van am) OR (van nam)) thuc day thanh doi cua tre".
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang xa hoi. hieu ((van am) OR (van nam)) thuc day thanh doi cua tre*.