Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach kem » hanh kem
phat duc » pham duc, phan duc, phan duoc
van phat » va phat, van chat, van phan
hieu van » hieu va, thien van, lieu va
sach thu » sach thue, sach thieu, sach tham
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach kem) or (sach thu)) nang ((ma hoa) or (xa hoi)). hieu van phat duc va hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach kem) OR (sach thu)) nang ((ma hoa) OR (xa hoi)). hieu van phat duc va hanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: thu ((sach kem) or (sach thu)) nang ((ma hoa) or (xa hoi)). hieu van phat duc va hanh di cua triet*.