Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
kho tang » cao tang
su sach » so sach, vu sach
tang xa » trang xa, tang ma, lang xa
cam tuc » cam xuc, cam tu, nam thuc
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
va cam » va cham, va cac, va cao
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 (thuat sach)) kho tang xa hoi. lieu va cam tuc va dinh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thuat sach)) kho tang xa hoi. lieu va cam tuc va dinh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thuat sach)) kho tang xa hoi. lieu va cam tuc va dinh vi cua triet*.