Perhaps you should try some spelling variations:
sach tay » xach tay, sach hay, sach nay
dang xay » dang van, van xay
cau chuc » cau chu, cau phuc, canh chuc
tu sach » thu sach, su sach, te sach
lai cua » dai cua, hai cua, lai chau
va hanh » van hanh, va thanh, va danh
chuc va » thuc va, thuc vat
hieu ve » hieu va, hieu van
lang xa » lang ha, lang van
ve cau » ke cau, va cau, ve cac
vi cua » vai cua, di cua

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 tay ((lang xa) OR (dang xay)) hoi. hieu ve cau chuc va hanh ((vi cua) or (lai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tay ((lang xa) OR (dang xay)) hoi. hieu ve cau chuc va hanh ((vi cua) OR (lai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tay ((lang xa) OR (dang xay)) hoi. hieu ve cau chuc va hanh ((vi cua) or (lai cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu sach tay ((lang xa) OR (dang xay)) hoi. hieu ve cau chuc va hanh ((vi cua) or (lai cua)) te*.