Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
cua triet » cua viet, su triet, va triet
can thuc » dan thuc, van thuc, cay thuc
vat hang » van hang, dat hang, va hang
sach ky » sac ky, sach y, sach ty
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
hang vi » hang va, hanh vi, hang di
ve can » ve canh, ve cac, ve ban
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: nuoc sach ky ((nang xa) or (lang xa)) hoi. hieu ve can thuc vat hang vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ky ((nang xa) OR (lang xa)) hoi. hieu ve can thuc vat hang vi cua triet.
• Adding a wildcard symbol may retrieve word variants: nuoc sach ky ((nang xa) or (lang xa)) hoi. hieu ve can thuc vat hang vi cua triet*.