Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
thanh de » hanh de, thanh do, thanh le
thanh ve » hanh ve, thanh va, thanh vien
cau treo » cau theo, cau tren, cau triet
qua nam » quan nam, cua nam, quang nam
thuc va » thuc vat, thuc dan, thuc day
sac ky » cac ky, sai ky
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((hanh kem) OR (sac ky)) nang x hoi. hieu qua nam thuc va ((thanh de) OR (thanh ve)) cau treo~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((hanh kem) or (sac ky)) nang x hoi. hieu qua nam thuc va ((thanh de) OR (thanh ve)) cau treo~".
• Adding a wildcard symbol may retrieve word variants: tu ((hanh kem) or (sac ky)) nang x hoi. hieu qua nam thuc va ((thanh de) OR (thanh ve)) cau treo*.