In a console window:
Code:
dpkg --get-selections > selections.txt
This gives you your selections in a file selections.txt then
Code:
[08:57 PM Thu Jun 19: root @ /home/stephen]
># cat selections.txt | grep openoffice
openoffice-de-en                                install
ttf-openoffice                                  install
Will then you show the packages containing openoffice in their name.