Perhaps you should try some spelling variations:
nam thuoc » nam thu, nha thuoc, cay thuoc
hieu van » hieu va, thien van, lieu va
nam thuc » am thuc, nam thu, nam tu
bach ky » bac ky
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu
x hoi » xa hoi, o hoi, x ho

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

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