Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
hieu van » hieu va, thien van, lieu va
lang noi » nang noi, dang noi, lang nui
noi khoa » ngoai khoa, hoc khoa, tai khoa
cham xuc » cam xuc, chat xuc, cham soc
hanh va » hang va, hanh vi
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va
ky lang » ky nang, ky dang, ky tang
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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 ky lang noi khoa. ((hieu ve) OR (hieu van)) cham xuc va ((thanh van) OR (hanh va)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang noi khoa. ((hieu ve) OR (hieu van)) cham xuc va ((thanh van) or (hanh va)) cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang noi khoa. ((hieu ve) OR (hieu van)) cham xuc va ((thanh van) or (hanh va)) cuu tre*.