Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cham duc » cham soc, pham duy, phan duc
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 va, hieu van
va hanh » van hanh, va thanh, va danh
vi cua » vai cua, di 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: thu sach ty ((xang xa) or (lang xa)) hoi. hieu ve ((cham duc) OR (pham duc)) va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty ((xang xa) OR (lang xa)) hoi. hieu ve ((cham duc) OR (pham duc)) va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty ((xang xa) or (lang xa)) hoi. hieu ve ((cham duc) OR (pham duc)) va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ty ((xang xa) or (lang xa)) hoi. hieu ve ((cham duc) OR (pham duc)) va hanh vi cua te*.