Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
dang xay » dang van, van xay
so sach » so sanh, bo sach, co sach
thuc va » thuc vat, thuc dan, thuc day
thi van » thi lan, thi hanh, thi nang
xay hoi » xa hoi, tay hoi, cay phoi
cua tre » cua te, cuu tre, cua triet
sach 2 » sach y
xuc va » duc va, tuc va, luc va
2 dang » 2 danh, _ dang, b dang

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 2 dang xay hoi. ((thien van) or (thi van)) cam ((xuc va) or (thuc va)) thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach 2 dang xay hoi. ((thien van) OR (thi van)) cam ((xuc va) OR (thuc va)) thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach 2 dang xay hoi. ((thien van) or (thi van)) cam ((xuc va) or (thuc va)) thanh dai cua tre*.