Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
vu sach » vu bach, su sach, vu khach
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
y sang » _ sang, duy sang
ma hoi » mai hoi, ma hoa, me hoi
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y sang ((ma hoi) or (xa hoi)). hieu va cam xuc ((va danh) or (van hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y sang ((ma hoi) OR (xa hoi)). hieu va cam xuc ((va danh) OR (van hanh)) vai cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sach y sang ((ma hoi) or (xa hoi)). hieu va cam xuc ((va danh) or (van hanh)) vai cua triet*.