Perhaps you should try some spelling variations:
thien van » thi van
nam thuc » nam thuoc, am thuc, nam thu
dan danh » van danh, ban danh, dai danh
han danh » van danh, phan dang, nhan dang
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
vi cua » vai cua, di cua

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 ho. ((hieu ve) or (thien van)) nam thuc ((dan danh) or (han danh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang x ho. ((hieu ve) OR (thien van)) nam thuc ((dan danh) OR (han danh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang x ho. ((hieu ve) or (thien van)) nam thuc ((dan danh) or (han danh)) vi cua tre*.