Perhaps you should try some spelling variations:
day thanh » dao thanh, dat thanh, da thanh
nham thuc » nhan thuc, nam thuc, nham thu
pham thuc » phap thuc, pham chuc, pham thu
sach kem » hanh kem
thanh di » thanh doi, thanh de, thanh do
hieu ve » hieu va, hieu van
cao hoi » cau hoi, co hoi, cao hoc
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach kem) or (sach y)) nang cao hoi. hieu ve ((pham thuc) OR (nham thuc)) day thanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach kem) OR (sach y)) nang cao hoi. hieu ve ((pham thuc) OR (nham thuc)) day thanh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach kem) or (sach y)) nang cao hoi. hieu ve ((pham thuc) OR (nham thuc)) day thanh di cua te".
• Adding a wildcard symbol may retrieve word variants: thu ((sach kem) or (sach y)) nang cao hoi. hieu ve ((pham thuc) OR (nham thuc)) day thanh di cua te*.