Perhaps you should try some spelling variations:
"re colonization failed" » "re colonization still", "re organizations failed", "pro colonization failed", "_ colonization failed", "jews colonization failed"
"pro cooperation case" » "pro cooperation _", "group cooperation case", "area cooperation case", "arab cooperation case"
"gas operations state" » "gas operation state", "gas operations staff", "gas operations strategy", "day operations state", "bus operations state"

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: "((\"pro cooperation case\") OR (((\"gas operations state\") OR (\"re colonization failed\"))))~".
• Removing quotes may allow a broader search: (( pro cooperation case ) OR ((( gas operations state ) OR ( re colonization failed ))))~.
• Adding a wildcard symbol may retrieve word variants: (("pro cooperation case") OR ((("gas operations state") OR ("re colonization failed"))))*.