Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, tao duoc
ma thanh » mai thanh, va thanh, ha thanh
thanh co » thanh do, thanh ca, thanh ho
so sanh » do sanh
cao hoi » cau hoi, co hoi, cao hoc
cua tre » cua te, cuu tre, cua triet
sanh y » sinh y, anh y, hanh y
y nang » ky nang, ly nang, v nang
co cua » con cua, ca cua, cong cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh y nang cao hoi. hieu van ((lam duoc) or (lam thuoc)) ma thanh co cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh y nang cao hoi. hieu van ((lam duoc) OR (lam thuoc)) ma thanh co cua tre.
• Adding a wildcard symbol may retrieve word variants: so sanh y nang cao hoi. hieu van ((lam duoc) or (lam thuoc)) ma thanh co cua tre*.