Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
van tham » van thanh, van tuan, van chat
dinh day » dinh dat, dinh dao, dinh da
van phat » va phat, van chat, van phan
van cham » van chat, va cham, van pham
sach tu » sach thu, cach tu, sach ty
nang xa » nang x, lang xa, nang ma
va dinh » van dinh, va kinh, va tinh
tu nang » tru nang, tu nong, tu nano
day cua » dai cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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 tu nang xa hoi. thien ((((van cham) or (van phat))) or (van tham)) tuc va dinh day cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tu nang xa hoi. thien ((((van cham) OR (van phat))) OR (van tham)) tuc va dinh day cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach tu nang xa hoi. thien ((((van cham) or (van phat))) or (van tham)) tuc va dinh day cua tre*.