Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
bo sach » co sach, hoc sach
sach ty » sach y, sach tu, sach thu
xang xa » mang xa, ang xa, dang xay
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ty ((xang xa) OR (lang xa)) hoi. ((hieu ve) or (hieu va)) pham duc va thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ty ((xang xa) OR (lang xa)) hoi. ((hieu ve) OR (hieu va)) pham duc va thanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach ty ((xang xa) OR (lang xa)) hoi. ((hieu ve) or (hieu va)) pham duc va thanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: bo sach ty ((xang xa) OR (lang xa)) hoi. ((hieu ve) or (hieu va)) pham duc va thanh vai cua te*.