I've found this to be rather handy:
Logon to the MOS HTML Site: http://supporthtml.oracle.com/
Use the following URL in a new tab/window to go directly to Note
https://supporthtml.oracle.com/ep/faces/secure/km/DocumentDisplay.jspx?id=
Say you want to lookup 418918.1
Append the note # to the URL and voila, you are there.
https://supporthtml.oracle.com/ep/faces/secure/km/DocumentDisplay.jspx?id=418918.1
Logon to the MOS HTML Site: http://supporthtml.oracle.com/
Use the following URL in a new tab/window to go directly to Note
https://supporthtml.oracle.com/ep/faces/secure/km/DocumentDisplay.jspx?id=
Say you want to lookup 418918.1
Append the note # to the URL and voila, you are there.
https://supporthtml.oracle.com/ep/faces/secure/km/DocumentDisplay.jspx?id=418918.1
https://supporthtml.oracle.com/ep/faces/secure/km/BugDisplay.jspx?id=
or
https://support.oracle.com/CSP/main/article?cmd=show&type=BUG&id=
See
http://yong321.freeshell.org/oranotes/MOS.txt
Yong Huang