Perhaps you should try some spelling variations:
sach tay » xach tay, sach nay, sach tai
sach hay » sach han, sach ha, sach nay
thanh ve » hanh ve, thanh va, thanh vien
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xuc va » tuc va, luc va, xac va
ve luu » ke luu, vi luu
tru » truc

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) OR (sach hay)) lang xa hoi. hieu va cham ((xuc va) or (duc va)) thanh ve luu tru~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tay) OR (sach hay)) lang xa hoi. hieu va cham ((xuc va) OR (duc va)) thanh ve luu tru.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tay) OR (sach hay)) lang xa hoi. hieu va cham ((xuc va) or (duc va)) thanh ve luu tru".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tay) OR (sach hay)) lang xa hoi. hieu va cham ((xuc va) or (duc va)) thanh ve luu tru*.