Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
cuc nang » chuc nang, cuu nang, cua nang
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xuc ban » duc ban, cuc ban, quoc ban
va nang » van nang, da nang, cam nang
hanh ki » hanh vi, hanh ky, hanh kien
tu sach » thu sach, su sach, te sach
ki su » ky su

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