Perhaps you should try some spelling variations:
khanh giau » khan gia, thanh gian
giau cua » gian cua, gia cua, dieu cua
sach thu » sach thue, sach thieu, sach tham
xa khanh » xa thanh, van khanh, dat khanh
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, xach tay
lang xa » lang ha, dang xay, lang van
va cao » va cac, va co, va dao
va cam » va cham, va cac, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach ty) or (sach thu)) lang xa hoi. lieu ((va cam) OR (va cao)) tuc xa khanh giau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach thu)) lang xa hoi. lieu ((va cam) OR (va cao)) tuc xa khanh giau cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ty) or (sach thu)) lang xa hoi. lieu ((va cam) OR (va cao)) tuc xa khanh giau cua tre".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach thu)) lang xa hoi. lieu ((va cam) OR (va cao)) tuc xa khanh giau cua tre*.