Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
nang xa » lang xa, nang ma, mang xa
va cam » va cham, va cac, va cao
vi cuu » vi luu, vinh cuu
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((nang xa) or (nang x)) hoi. hieu ((ve cac) or (va cam)) xuc van thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang xa) OR (nang x)) hoi. hieu ((ve cac) OR (va cam)) xuc van thanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang xa) or (nang x)) hoi. hieu ((ve cac) or (va cam)) xuc van thanh vi cuu tre*.