Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, su triet, va triet
cham tuc » nham thuc, pham thuc, tham thuc
su sach » so sach, vu sach
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
tuc va » thuc va, truc va, tuc xa
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 tang xa hoi. hieu ve cham tuc va danh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thuoc sach)) ky tang xa hoi. hieu ve cham tuc va danh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thuoc sach)) ky tang xa hoi. hieu ve cham tuc va danh vi cua triet*.