Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, su triet, va triet
ky trong » ly trong, ke trong, cay trong
trong xa » trong xay, trong ca, trong xu
nam thuc » nam thuoc, am thuc, nam thu
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
ve nam » he nam, va nam, le nam
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: ((su sach) or (thuoc sach)) ky trong xa hoi. hieu ve nam thuc va danh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thuoc sach)) ky trong xa hoi. hieu ve nam thuc va danh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thuoc sach)) ky trong xa hoi. hieu ve nam thuc va danh vi cua triet*.