Perhaps you should try some spelling variations:
ve triet » va trien
su triet » su viet, su tien
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
hieu va » lieu va, hieu qua
va cham » va chat, va tham
sach va » sach xa, sach ha, sach dao
xuc ban » duc ban, cuc ban, quoc ban
nang ma » tang ma, sang ma, nang cao
hanh ki » hanh vi, hanh ky, hanh kien
va nang » van nang, da nang, cam nang
tu sach » thu sach, su sach, te sach
ma hoi » mai hoi, xa hoi, ma hoa

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 va nang ma hoi. hieu va cham xuc ban hanh ki ((su triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach va nang ma hoi. hieu va cham xuc ban hanh ki ((su triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach va nang ma hoi. hieu va cham xuc ban hanh ki ((su triet) or (ve triet))*.