Perhaps you should try some spelling variations:
thang loi » thanh loi, thang long, thanh moi
dang xay » dang van, van xay
hang loi » hang doi, tang loi, thanh loi
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
nam xuc » cam xuc, nam xua, nam thuc
xuc van » duc van, luc van, vuc van
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo

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 y ((nang xa) or (dang xay)) hoi. hieu van nam xuc van ((hang loi) OR (thang loi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang xa) OR (dang xay)) hoi. hieu van nam xuc van ((hang loi) OR (thang loi)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((nang xa) or (dang xay)) hoi. hieu van nam xuc van ((hang loi) OR (thang loi)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang xa) or (dang xay)) hoi. hieu van nam xuc van ((hang loi) OR (thang loi)) cuu tre*.