Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham duc » pham duc, cham soc, pham duy
hanh lai » hanh lam, hanh tai, thanh lap
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau

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: te sach ky nang xa hoi. ((hieu ve) OR (((hieu va) OR (hieu qua)))) cham duc va hanh lai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. ((hieu ve) or (((hieu va) OR (hieu qua)))) cham duc va hanh lai cua triet~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. ((hieu ve) or (((hieu va) OR (hieu qua)))) cham duc va hanh lai cua triet*.