Perhaps you should try some spelling variations:
hanh vinh » thanh vinh, khanh vinh, hanh tinh
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
nam thuc » nam thuoc, am thuc, nam thu
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
vinh cuu » dinh cuu, sinh cua, dinh cu
cuu tre » cua tre, cau tren, cau treo
su sac » su sach, su cac, su xac
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.

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang x hoi. ((hieu van) or (thien van)) nam thuc van hanh vinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang x hoi. ((hieu van) OR (thien van)) nam thuc van hanh vinh cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang x hoi. ((hieu van) or (thien van)) nam thuc van hanh vinh cuu tre*.