Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach tham » sach nha
tham tang » nham tang, thai tang, tham lang
hanh lam » thanh lap, hanh kem, hanh va
cham duc » pham duc, pham duy, phan duc
lam cua » nam cua, lam chat
va hanh » van hanh, va thanh, va danh
so sach » so sanh, bo sach, co sach
hieu vu » hieu va, hieu ve, hieu su
ma hoi » mai hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach tham tang ((ma hoi) or (xa hoi)). hieu vu ((cham duc) or (cham soc)) va hanh lam cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach tham tang ((ma hoi) OR (xa hoi)). hieu vu ((cham duc) OR (cham soc)) va hanh lam cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach tham tang ((ma hoi) or (xa hoi)). hieu vu ((cham duc) or (cham soc)) va hanh lam cua triet*.