Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
van thanh » ban thanh, van tuan
sach thi » sach thu, sach tai, sach thieu
dua tren » dung tren
hang tai » hang va, dung tai
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
ve chao » ve chat, ve cham, ve cho
hang ca » hang va, nang cao, hang dau
cuu tre » cua tre, cau tren, cau treo
xu van » tu van, vu van, su van

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thi ((hang ca) OR (hang tai)) hoi. hieu ve chao xu van thanh lai ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thi ((hang ca) OR (hang tai)) hoi. hieu ve chao xu van thanh lai ((dua tren) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach thi ((hang ca) OR (hang tai)) hoi. hieu ve chao xu van thanh lai ((dua tren) or (cuu tre))*".