Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
pham thuc » phap thuc, pham chuc, nham thuc
doc sach » hoc sach, toc sach, nuoc sach
hanh hai » thanh hai, nhanh hai, hang hai
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu vi » hieu voi, hieu va, hieu ve
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
ma hoi » mai hoi, ma hoa, me hoi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach ty nang ((ma hoi) OR (xa hoi)). hieu vi pham thuc va hanh hai cua triet~.
• Adding a wildcard symbol may retrieve word variants: doc sach ty nang ((ma hoi) or (xa hoi)). hieu vi pham thuc va hanh hai cua triet*.