Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
nang xay » dang xay, nganh xay, nang xuan
duoc tan » duoc ban, duoc dan, duoc tap
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
ve tao » ve bao, de tao, ve tac

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 xay hoi. hieu ve tao ((duoc tan) or (duc tan)) thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang xay hoi. hieu ve tao ((duoc tan) OR (duc tan)) thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: te san ky nang xay hoi. hieu ve tao ((duoc tan) or (duc tan)) thanh dai cua tre*.