Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam tu
dinh lam » dinh van, tinh lao
hieu ve » hieu va, hieu van
va dinh » van dinh, va kinh, va tinh
lam cua » nam cua, lam chat
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
cua te » cua tu
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: te san ky nang x hoi. ((hieu ve) or (lieu va)) ((nam thuc) OR (nam thu)) va dinh lam cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang x hoi. ((hieu ve) OR (lieu va)) ((nam thuc) OR (nam thu)) va dinh lam cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky nang x hoi. ((hieu ve) or (lieu va)) ((nam thuc) OR (nam thu)) va dinh lam cua te".
• Adding a wildcard symbol may retrieve word variants: te san ky nang x hoi. ((hieu ve) or (lieu va)) ((nam thuc) OR (nam thu)) va dinh lam cua te*.