Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh hai » dang hai, lanh hai, manh hai
vat danh » va danh, van danh, luat danh
sach ky » sac ky, sach y, sach kem
hai cua » thai cua, dai cua, hoi cua
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi
va am » va lam, va cam
thuc » thu

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 ky) or (sach ty)) nang ((x hoi) OR (o hoi)). hieu va am thuc vat danh hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang ((x hoi) OR (o hoi)). hieu va am thuc vat danh hai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach ty)) nang ((x hoi) OR (o hoi)). hieu va am thuc vat danh hai cua triet*".