Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
dan dai » dat dai, can dai, dan dat
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
va dan » ca dan, va dao, va dau

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 hoi. hieu ((ve cam) OR (va cam)) duc va dan dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty xang xa hoi. hieu ((ve cam) OR (va cam)) duc va dan dai cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ty xang xa hoi. hieu ((ve cam) OR (va cam)) duc va dan dai cua tre*.