Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
tang van » dang van, hoang van, trong van
thi hanh » thi thanh
va thanh » gia thanh, ban thanh, va tinh
hanh va » hanh vi
thuc va » thuc vat, thuc dan, thuc day
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai 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 sac ky ((tang van) or (hang va)) hoi. thi hanh va thuc va thanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((tang van) OR (hang va)) hoi. thi hanh va thuc va thanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((tang van) or (hang va)) hoi. thi hanh va thuc va thanh hai cua tre*.