Now you've just annoyed me...
Fair enough, although I believe your question has been answered. If the movies are in the Store at all, they will be under the category "Foreign." I just now checked the Aus iTunes Store, and unlike the USA Store, it does not have such a category.
There is a page where you can ask for items to be added. Please note that it functions as a "suggestion box," not as a "special order line," so there is no assurance it will be added, especially in light of the licensing issues noted by Mr. Paw.
Also as mentioned, you can check other online retailers who may have what you want. You can also consider purchases of movies in physical form, which often leads to much bigger selections.