Perhaps you should try some spelling variations:
hanh gian » thanh gian, thanh giang, manh giang
gian cua » gian xu, ban cua
sach thu » sach thue, sach thieu, sach tham
dang xay » dang van, van xay
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, xach tay
xay hoi » xa hoi, tay hoi, cay phoi
tuc va » thuc va, truc va, duc va
va cam » va cham, va cac, va cao

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 thu)) dang xay hoi. lieu va cam ((tuc va) or (tuc xa)) hanh gian cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach thu)) dang xay hoi. lieu va cam ((tuc va) OR (tuc xa)) hanh gian cua tre.
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach thu)) dang xay hoi. lieu va cam ((tuc va) or (tuc xa)) hanh gian cua tre*.