Perhaps you should try some spelling variations:
tham luc » than luc, tham nuoc, tham thuc
thanh va » thanh van, hanh va, thanh ha
thanh ve » hanh ve, thanh vien, thanh van
luc van » luoc van, luu van, duc van
vu sach » vu bach, su sach, vu khach
nang xa » lang xa, nang ma, mang xa
va tham » van tham, va cham, va thanh
cua tre » cua te, cuu tre, cua triet

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 ve) or (thanh va)) 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 ve) OR (thanh va)) 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 ve) or (thanh va)) cua tre*.