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
hanh ki » hanh vi, hanh ky, hanh kien
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
va nang » van nang, da nang, cam nang
vu nang » vuc nang, vu dang, v nang
va cham » va chat, va tham
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 ((vu nang) OR (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 ((vu nang) OR (va nang)) ma hoi. hieu va cham xuc ban hanh ki ((su triet) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((vu nang) OR (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 ((vu nang) OR (va nang)) ma hoi. hieu va cham xuc ban hanh ki ((su triet) or (ve triet))*.