Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
tham luc » than luc, tham nuoc, tham thuc
thanh vi » hanh vi, thanh va, thanh ve
vu sach » vu bach, su sach, vu khach
nang xa » lang xa, nang ma, mang xa
va tham » van tham, va cham, va thanh
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
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: vu sach y ((nang xa) or (nang x)) hoi. lieu va tham luc van thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y ((nang xa) OR (nang x)) hoi. lieu va tham luc van thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach y ((nang xa) or (nang x)) hoi. lieu va tham luc van thanh vi cua tre*.