Perhaps you should try some spelling variations:
dang xay » dang van, van xay
danh tai » doanh tai, dinh tai, hanh tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, lang van
cuc tre » duc tre, cua tre, cuu tre
xuc va » tuc va, luc va, xac va

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 ky ((lang xa) or (dang xay)) hoi. lieu va cac ((xuc va) OR (duc va)) danh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((lang xa) OR (dang xay)) hoi. lieu va cac ((xuc va) OR (duc va)) danh tai cuc tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((lang xa) or (dang xay)) hoi. lieu va cac ((xuc va) OR (duc va)) danh tai cuc tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((lang xa) or (dang xay)) hoi. lieu va cac ((xuc va) OR (duc va)) danh tai cuc tre*.