Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
lang van » dang van, tang van, hoang van
cuu tre » cau tren, cau treo
dau vai » dau va, dau hai, dau tai
nam xuc » cam xuc, nam xua, nam thuc
sach ty » sach y, sach tu, sach thu
te sach » toc sach
lang xa » lang ha, dang xay
cua tre » cua te, cua triet, dua tren
xuc va » duc va, tuc va, luc va
va dau » va dao

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 ty ((lang xa) or (lang van)) hoi. hieu van nam xuc va dau vai ((cuu tre) OR (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((lang xa) OR (lang van)) hoi. hieu van nam xuc va dau vai ((cuu tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((lang xa) or (lang van)) hoi. hieu van nam xuc va dau vai ((cuu tre) OR (cua tre))".
• Adding a wildcard symbol may retrieve word variants: te sach ty ((lang xa) or (lang van)) hoi. hieu van nam xuc va dau vai ((cuu tre) OR (cua tre))*.