Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
sach 22 » sach 2
cuu tre » cua tre, cau tren, cau treo
dan vat » dang vat, van vat, dan va
nam tuc » nam thuc, nam truc, nam tu
te sach » toc sach
hieu va » lieu va
lang xa » lang ha, dang xay, lang van
22 lang » 22 thang
tuc va » thuc va, truc va, tuc xa
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 22 lang xa hoi. ((hieu va) OR (hieu qua)) nam tuc va dan vat ((cuu tre) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 22 lang xa hoi. ((hieu va) OR (hieu qua)) nam tuc va dan vat ((cuu tre) OR (dau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach 22 lang xa hoi. ((hieu va) OR (hieu qua)) nam tuc va dan vat ((cuu tre) or (dau tren))".
• Adding a wildcard symbol may retrieve word variants: te sach 22 lang xa hoi. ((hieu va) OR (hieu qua)) nam tuc va dan vat ((cuu tre) or (dau tren))*.