Perhaps you should try some spelling variations:
"crime minister of Australia" » "prime ministers of Australia", "time minister of Australia", "crane minister of Australia"
"price minister of australia" » "prince minister of australia", "prime ministers of australia", "pirie minister of australia"
"prime minister of Australia" » "primer minister of Australia"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("prime minister of Australia") OR ("crime minister of Australia"))) OR ("price minister of australia")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"prime minister of Australia\") OR (\"crime minister of Australia\"))) or (\"price minister of australia\"))".
• Removing quotes may allow a broader search: (((( prime minister of Australia ) OR ( crime minister of Australia ))) or ( price minister of australia )).
• Adding a wildcard symbol may retrieve word variants: (((("prime minister of Australia") OR ("crime minister of Australia"))) or ("price minister of australia"))*.