Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai
thu sach » thuat sach, thuoc sach, thu hoach
cua lang » cua dang, cua hang, cua mang
tu sach » su sach, te sach, tu cach
da duoc » tao duoc, hoa duoc
lap cuu » cap cuu, lap cua
nam duc » nam duoc, pham duc, nam thuc
cuu tre » cua tre, cau tren, cau treo
lang xa » lang ha, dang xay, lang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (thu sach)) cua lang xa hoi. lieu va ((nam duc) or (da duoc)) van thanh lap cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) cua lang xa hoi. lieu va ((nam duc) OR (da duoc)) van thanh lap cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) cua lang xa hoi. lieu va ((nam duc) or (da duoc)) van thanh lap cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) cua lang xa hoi. lieu va ((nam duc) or (da duoc)) van thanh lap cuu tre*.