Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai
tu sach » thu sach, su sach, te sach
tu lang » cu lang, tu lanh, tu quang
xu lang » cu lang, xu dang, xu quang
duc van » duc va, duc tan, duc manh
lap cuu » cap cuu, lap cua
cuu tre » cua tre, cau tren, cau treo
va nam » van 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: tu sach ((tu lang) or (xu lang)) xa hoi. lieu ((va nam) OR (ha nam)) duc van thanh lap cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tu lang) OR (xu lang)) xa hoi. lieu ((va nam) OR (ha nam)) duc van thanh lap cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tu lang) or (xu lang)) xa hoi. lieu ((va nam) OR (ha nam)) duc van thanh lap cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((tu lang) or (xu lang)) xa hoi. lieu ((va nam) OR (ha nam)) duc van thanh lap cuu tre*.