جرب كدة .......
DoCmd.OpenForm "Form1", , , "TDes LIKE ""*" & Nz(Me.SB_Num.Value, "0") & "*"" or " _
& "TName LIKE ""*" & Nz(Me.SB_Name.Value, "0") & "*"" or " _
& "TName LIKE ""*" & Nz(Me.SB_Name.Value, "") & "*"" and TDes LIKE ""*" & Nz(Me.SB_Num.Value, "") & "*"""