Perhaps you should try some spelling variations:
"german colonialism empires" » "german colonial empires", "german colonialism emerges", "german colonial empire", "german colonialism emergess", "german colonial empiress"
"german colonialism empire" » "german colonial empire", "german colonialism emerges", "german colonial empires"

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: (("german colonialism empire") OR ("german colonialism empires")).
• Removing quotes may allow a broader search: (( german colonialism empire ) or ( german colonialism empires )).
• Adding a wildcard symbol may retrieve word variants: (("german colonialism empire") or ("german colonialism empires"))*.