Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
thu sac » thu sach, thu san, thu xac
nang ma » tang ma, sang ma, nang cao
lam xuc » cam xuc, lam duoc
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky nang ma hoi. hieu van ((lam xuc) or (nam thuoc)) ban hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang ma hoi. hieu van ((lam xuc) OR (nam thuoc)) ban hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang ma hoi. hieu van ((lam xuc) or (nam thuoc)) ban hanh vi cuu tre*.