Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh hai » thanh hai, nhanh hai, hang hai
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
ma hoi » mai hoi, me hoi, va hoi
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ly nang ((((ma hoi) OR (xa hoi))) or (ma hoa)). hieu ve cam duc va hanh hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ((((ma hoi) OR (xa hoi))) OR (ma hoa)). hieu ve cam duc va hanh hai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang ((((ma hoi) OR (xa hoi))) or (ma hoa)). hieu ve cam duc va hanh hai cua triet*".