In the file officecfg/registry/data/org/openoffice/Office/Accelerators.xcu the global section, the define of this Hotkeys do not show in the specified modules. E.g. the CTRL+F is define in global, when you open the writer, in the Edit-menu it show this hotkey, but go to Tools->Customize->Keyboard in ListBox-"Shortcut Keys" find "CTRL-F" it show nothing The same is for CTRL+K Hyperlink...
I think it's a duplicate. *** This bug has been marked as a duplicate of bug 66298 ***