Perhaps you should try some spelling variations:
hanh giau » thanh gian, danh gia, anh giao
sach tham » sach nha
giau cua » gian cua, gia cua, dieu cua
dang xay » dang van, van xay
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
xay hoi » xa hoi, tay hoi, cay phoi
va nay » va ngay, va cay
va nam » van nam, ha nam

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 tham)) dang xay hoi. lieu ((va nam) OR (va nay)) thuc va hanh giau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach tham)) dang xay hoi. lieu ((va nam) OR (va nay)) thuc va hanh giau cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ty) or (sach tham)) dang xay hoi. lieu ((va nam) OR (va nay)) thuc va hanh giau cua tre".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach tham)) dang xay hoi. lieu ((va nam) OR (va nay)) thuc va hanh giau cua tre*.