Perhaps you should try some spelling variations:
bat khanh » dat khanh, ban hanh, ban thanh
phat suc » pha suc, phan suc, phat huy
khanh vi » hanh vi, khanh v, nhanh vi
va triet » va thiet, va trien, ve triet
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
suc bat » luc bat, duoc bat
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. hieu va phat suc bat khanh vi ((va triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu va phat suc bat khanh vi ((va triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu va phat suc bat khanh vi ((va triet) or (su triet))*.