Perhaps you should try some spelling variations:
"re communication issues" » "re community issues", "re communication india", "re communication united", "de communication issues", "true communication issues", "une communication issues"
"_ organization history" » "_ organization theory", "_ organizations history", "_ organizational history"
"mars colonization still" » "mars colonization failed", "mars colonization israel", "mars colonization songs", "mrsa colonization still", "its colonization still", "jews colonization still"

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: "((((\"re communication issues\") OR (\"_ organization history\"))) OR (\"mars colonization still\"))~".
• Removing quotes may allow a broader search: (((( re communication issues ) OR ( _ organization history ))) OR ( mars colonization still ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re communication issues") OR ("_ organization history"))) OR ("mars colonization still"))*.