Perhaps you should try some spelling variations:
sach kem » hanh kem
dung doi » huong doi, dung tai, dung co
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
xa dung » xay dung, xa dong, va dung
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach kem) or (sac ky)) nang x hoi. hieu va cam tuc xa dung doi ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach kem) OR (sac ky)) nang x hoi. hieu va cam tuc xa dung doi ((cuu tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: so ((sach kem) or (sac ky)) nang x hoi. hieu va cam tuc xa dung doi ((cuu tre) or (cua te))*.