Perhaps you should try some spelling variations:
cac thuc » cach thuc, cac thu, can thuc
thuc day » thuc dan, thuc vat
danh dai » danh dau, danh sai, vanh dai
hieu ve » hieu va, hieu van
danh di » danh du, xanh di, danh dien
cua tre » cua te, cuu tre, cua triet
sinh y » sinh ly
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
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: hoc sinh y nang x hoi. hieu ve cac thuc day ((danh dai) or (danh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh y nang x hoi. hieu ve cac thuc day ((danh dai) OR (danh di)) cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc sinh y nang x hoi. hieu ve cac thuc day ((danh dai) or (danh di)) cua tre*.