Perhaps you should try some spelling variations:
nganh ky » nganh y, nganh xay, hanh ky
canh ky » hanh ky, canh tay, thanh ky
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac toc » cac toi, cac nuoc, cac thoi
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
toc va » hoc va, toc ta, tuc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((canh ky) or (nganh ky)) nang xa hoi. hieu va cac toc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((canh ky) OR (nganh ky)) nang xa hoi. hieu va cac toc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thu ((canh ky) or (nganh ky)) nang xa hoi. hieu va cac toc va hanh vi cua tre*.