Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach kem » hanh kem
pham cuc » pham chuc, pham duc, pham cua
cao hoi » cau hoi, co hoi, cao hoc
hieu su » hieu sau, tieu su, hieu so
su pham » san pham
va hanh » van hanh, va thanh, va danh
cau cua » cau qua, ca cua, cu cua
va dan » ca dan, va dao, va dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach kem) or (sach y)) nang cao hoi. hieu su pham cuc ((va hanh) or (va dan)) cau cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach kem) OR (sach y)) nang cao hoi. hieu su pham cuc ((va hanh) OR (va dan)) cau cua triet.
• Adding a wildcard symbol may retrieve word variants: te ((sach kem) or (sach y)) nang cao hoi. hieu su pham cuc ((va hanh) or (va dan)) cau cua triet*.