Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
lang xa » lang ha, dang xay, lang van
va dan » ca dan, va dao, va dap
va dau » va dao
va cuu » va cau, va chu, va huu
va nam » van nam, ha nam, va nay

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 thue)) lang xa hoi. lieu va nam thu ((va dan) or (va dau)) va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach thue)) lang xa hoi. lieu va nam thu ((va dan) OR (va dau)) va cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach thue)) lang xa hoi. lieu va nam thu ((va dan) or (va dau)) va cuu tre*.