Perhaps you should try some spelling variations:
tham xuc » tham nuoc, tham thuc, pham duc
hieu van » hieu va, thien van, lieu va
van tham » van thanh, van tuan, van chat
ty nang » ky nang, ty xang, ty hang
su sach » so sach, vu sach
va danh » va dinh, va dan, va hanh
van cau » van dau, van hau, van chat
tai cac » tai cuc
tu sach » thu sach, te sach, tu cach
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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: ((tu sach) OR (su sach)) ty nang x hoi. hieu van tham xuc va danh ((van cau) OR (tai cac)) tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) ty nang x hoi. hieu van tham xuc va danh ((van cau) or (tai cac)) tren~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) ty nang x hoi. hieu van tham xuc va danh ((van cau) or (tai cac)) tren*.