Perhaps you should try some spelling variations:
"empire decolonization notes" » "during decolonization notes", "empire decolonial notes", "war decolonization notes", "empire decolonization models", "empire decolonization case", "empire decolonization indonesia"
"pro communication theory" » "pro communication technology", "prone communication theory", "ngo communication theory", "proper communication theory"
"_ colonization israel" » "_ communication israel", "_ colonization still", "_ colonization history"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("_ colonization israel") or ("empire decolonization notes"))) or ("pro communication theory"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("_ colonization israel") OR ("empire decolonization notes"))) OR ("pro communication theory")).
• Removing quotes may allow a broader search: (((( _ colonization israel ) or ( empire decolonization notes ))) or ( pro communication theory )).
• Adding a wildcard symbol may retrieve word variants: (((("_ colonization israel") or ("empire decolonization notes"))) or ("pro communication theory"))*.