Perhaps you should try some spelling variations:
"internally deposited persons" » "internally deported persons", "internally deported person", "internally disposed persons"
"internally displaced person" » "internally displaced persons", "internally displaced people", "internally disposed persons"

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: (("internally displaced person") OR ("internally deposited persons")).
• Removing quotes may allow a broader search: (( internally displaced person ) or ( internally deposited persons )).
• Adding a wildcard symbol may retrieve word variants: (("internally displaced person") or ("internally deposited persons"))*.