Perhaps you should try some spelling variations:
dam thuc » am thuc, dan thuc, nam thuc
hieu ve » hieu va, hieu van
va dinh » van dinh, va kinh, va tinh
dinh du » dinh duc, dinh cu, dinh tu
cuu tre » cua tre, cau tren, cau treo
cu tren » tu tren, dua tren
vu san » va san, vu ban
san ky » sang ky, van ky, dan ky
cam tu » cam thu, nam tu, dam 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: vu san ky nang x hoi. hieu ve ((dam thuc) or (cam tu)) va dinh du ((cuu tre) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky nang x hoi. hieu ve ((dam thuc) OR (cam tu)) va dinh du ((cuu tre) OR (cu tren)).
• Adding a wildcard symbol may retrieve word variants: vu san ky nang x hoi. hieu ve ((dam thuc) or (cam tu)) va dinh du ((cuu tre) or (cu tren))*.