Perhaps you should try some spelling variations:
ngay truoc » ngay tuoi, nam truoc
truoc xay » thuc xay, truoc dam, truoc nam
cua triet » cua viet, su triet, va triet
sach kho » bach khoa, sach dao, sach nha
kho tang » cao tang
xay hanh » day nhanh, day thanh, xanh hanh
tu sach » thu sach, su sach, te sach
va ngay » va nay, tan ngay
hanh di » hanh vi, hanh de, hang di
ha hoi » hoa hoi, ha noi, va hoi
di cua » dai cua, doi cua, de cua

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 kho tang ((ha hoi) or (xa hoi)). lieu va ngay truoc xay hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach kho tang ((ha hoi) OR (xa hoi)). lieu va ngay truoc xay hanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach kho tang ((ha hoi) or (xa hoi)). lieu va ngay truoc xay hanh di cua triet*.