Perhaps you should try some spelling variations:
thanh loi » thanh hoa, thanh hai, thanh lap
tham xuc » tham nuoc, tham thuc, pham duc
hanh lam » thanh lap, hanh kem, hanh va
hieu van » thien van, lieu va, hieu ve
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa
te sac » te sach, te cac, te san

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: te sac ky nang ma hoi. ((hieu van) OR (hieu va)) tham xuc va ((thanh loi) OR (hanh lam)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ma hoi. ((hieu van) OR (hieu va)) tham xuc va ((thanh loi) or (hanh lam)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ma hoi. ((hieu van) OR (hieu va)) tham xuc va ((thanh loi) or (hanh lam)) cua tre*.