Perhaps you should try some spelling variations:
"internally dispalced person" » "internally displaced person", "internally balanced person", "internally damped person", "internally dispalced persons", "internally displaced persons"
"internal displaced people" » "internally displaced people", "internal displacement people", "internal diseases people", "internal disabled people"

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