Perhaps you should try some spelling variations:
sach kem » hanh kem
pham day » phap day, pham duy, pham xay
nang ma » tang ma, sang ma, nang cao
hieu vi » hieu voi, hieu va, hieu ve
tinh ve » trinh ve, tinh ven, tinh va
dinh ve » dinh ket, dinh van
ma hoi » mai hoi, xa hoi, ma hoa
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: tu ((sach kem) or (sach y)) nang ma hoi. hieu vi pham day va ((tinh ve) OR (dinh ve)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (sach y)) nang ma hoi. hieu vi pham day va ((tinh ve) OR (dinh ve)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach kem) or (sach y)) nang ma hoi. hieu vi pham day va ((tinh ve) OR (dinh ve)) cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (sach y)) nang ma hoi. hieu vi pham day va ((tinh ve) OR (dinh ve)) cua te*.