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
va thanh » gia thanh, ban thanh, va tinh
thanh va » thanh van, hanh va, thanh ha
nang co » nang cao, nang doc, nang noi
cuu tre » cua tre, cau tren, cau treo
co hoi » co hoc, co loi
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: le van ky nang co hoi. hieu van ((nam thuc) OR (nam thuoc)) va thanh va cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "le van ky nang co hoi. hieu van ((nam thuc) OR (nam thuoc)) va thanh va cuu tre".
• Adding a wildcard symbol may retrieve word variants: le van ky nang co hoi. hieu van ((nam thuc) OR (nam thuoc)) va thanh va cuu tre*.