Perhaps you should try some spelling variations:
ban hanh » ban hang
nam thuc » nam thuoc, am thuc, nam thu
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, dam thuc
va danh » va dinh, va dan, va hanh
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky

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 xa hoi. hieu ve ((cam tuc) OR (nam thuc)) ((ban hanh) or (va danh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang xa hoi. hieu ve ((cam tuc) OR (nam thuc)) ((ban hanh) OR (va danh)) dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky nang xa hoi. hieu ve ((cam tuc) OR (nam thuc)) ((ban hanh) or (va danh)) dai cua tre*".