Perhaps you should try some spelling variations:
"re democratization africa" » "re democratization china", "re democratization mexico", "re decolonization africa", "_ democratization africa", "13 democratization africa", "2 democratization africa"
"_ communication united" » "_ telecommunication united"
"free organization history" » "free organization theory", "force organization history", "green organization history", "three organization history"

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 democratization africa\") OR (\"_ communication united\"))) OR (\"free organization history\"))~".
• Removing quotes may allow a broader search: (((( re democratization africa ) OR ( _ communication united ))) OR ( free organization history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re democratization africa") OR ("_ communication united"))) OR ("free organization history"))*.