Perhaps you should try some spelling variations:
cam thuc » am thuc, nam thuc, cam thu
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
dinh di » dinh du, danh di, dinh da
dinh vi » dinh ve, dinh viet, dinh tri
cuu tre » cua tre, cau tren, cau treo
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
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 sac ky nang x hoi. hieu ve cam thuc va ((dinh di) or (dinh vi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang x hoi. hieu ve cam thuc va ((dinh di) OR (dinh vi)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang x hoi. hieu ve cam thuc va ((dinh di) or (dinh vi)) cuu tre*.