Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
nam xuc » cam xuc, nam xua, nam thuc
dan vat » dang vat, van vat, dan va
cuu tre » cua tre, cau tren, cau treo
y lang » o lang, _ lang, tay lang
va nam » van nam, ha nam, va nay
xuc va » duc va, tuc va, luc va
va dan » ca dan, va dao, va dau

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 lang xa hoi. hieu va nam xuc va dan vat ((cuu tre) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu va nam xuc va dan vat ((cuu tre) OR (dau tren)).
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu va nam xuc va dan vat ((cuu tre) or (dau tren))*.