Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
lam duoc » nam duoc, luat duoc, lam thuoc
hieu van » hieu va, thien van, lieu va
hanh tri » thanh tri, hanh tai, hanh triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lam xuc » cam xuc
nang ma » tang ma, sang ma, nang cao
cuu tre » cua tre, cau tren, cau treo

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ma hoa. hieu van ((lam xuc) or (lam duoc)) va ((hanh tri) or (hanh trinh)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoa. hieu van ((lam xuc) OR (lam duoc)) va ((hanh tri) OR (hanh trinh)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoa. hieu van ((lam xuc) or (lam duoc)) va ((hanh tri) or (hanh trinh)) cuu tre*.