Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chat luu » chat huu, chat lua, hat luu
van chat » cao chat
dua tren » dung tren
thanh de » hanh de, thanh ve, thanh do
hieu van » hieu va, thien van, lieu va
luu van » cuu van, luan van, luu hanh
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
nang xa » lang xa, nang ma, mang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y ((nang xa) or (nang x)) hoi. hieu van chat luu van thanh de ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (nang x)) hoi. hieu van chat luu van thanh de ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (nang x)) hoi. hieu van chat luu van thanh de ((dua tren) or (cuu tre))*.