Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
hanh lam » thanh lap, hanh kem, hanh va
chat xuc » chat huu, cam xuc, chao xu
xuc van » duc van, luc van, vuc van
ve chat » va chat, van chat
su sach » so sach, vu sach
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa

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: su sach ((ty nang) OR (ty hang)) ma hoi. hieu ve chat xuc van ((hanh lam) OR (thanh san)) va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ty hang)) ma hoi. hieu ve chat xuc van ((hanh lam) or (thanh san)) va triet~".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) OR (ty hang)) ma hoi. hieu ve chat xuc van ((hanh lam) or (thanh san)) va triet*.