Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
nham thuc » nhan thuc, nam thuc, nham thu
cham tuc » pham thuc, tham thuc, cham soc
van hang » van khang, van hoang, van thang
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
hang vi » hang va, hanh vi, hang di
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach tu nang xa hoi. hieu va ((cham tuc) or (nham thuc)) van hang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach tu nang xa hoi. hieu va ((cham tuc) OR (nham thuc)) van hang vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sach tu nang xa hoi. hieu va ((cham tuc) or (nham thuc)) van hang vi cua tre*.