Perhaps you should try some spelling variations:
"german colonialism emerges" » "german colonialism energy", "german colonialism meet", "german colonialism meets"
"german colonialism empire" » "german colonial empire", "german colonial empires", "german colonialism part"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"german colonialism empire\") OR (\"german colonialism emerges\"))*".
• Removing quotes may allow a broader search: (( german colonialism empire ) OR ( german colonialism emerges ))*.