To add a new Searchmacine you will have to go to the Menu "File".
And open the Settingsdialog by clicking on "Settings".
In which you have to click on "Searchbar".
Under the table of Searchenmacines they are currently there, are a "Add a searchengine" button.
When you click on it a dialog will open in where you can enter a name for the new searchmacine.
In the text field for the URL you will have to enter the URL from the internetbrowser when you search
with your new searchmacine for the word "POST" !Attention you have to search for it in upper case!.