Perhaps you should try some spelling variations:
"combining rules in india" » "combining rule in india", "containing rules in india"
"comparing risk in india" » "competing risk in india", "computing risk in india", "competing risks in india"

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: (("comparing risk in india") OR ("combining rules in india")).
• Removing quotes may allow a broader search: (( comparing risk in india ) or ( combining rules in india )).
• Adding a wildcard symbol may retrieve word variants: (("comparing risk in india") or ("combining rules in india"))*.