Perhaps you should try some spelling variations:
"indonesia political system" » "indonesia politics system", "indonesia politik system", "indonesian politics system", "indonesia political islam"
"indonesia billing system" » "indonesia bridging system", "indonesia bidang system", "indonesia rising system"
"indonesia paling system" » "indonesia bali system", "indonesia politik system", "indonesia pada system", "indonesia farming system", "indonesia paling ekstrem", "indonesia police system"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("indonesia billing system") OR ("indonesia paling system"))) or ("indonesia political system"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("indonesia billing system") OR ("indonesia paling system"))) OR ("indonesia political system")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"indonesia billing system\") OR (\"indonesia paling system\"))) or (\"indonesia political system\"))".
• Removing quotes may allow a broader search: (((( indonesia billing system ) OR ( indonesia paling system ))) or ( indonesia political system )).
• Adding a wildcard symbol may retrieve word variants: (((("indonesia billing system") OR ("indonesia paling system"))) or ("indonesia political system"))*.