Perhaps you should try some spelling variations:
"empire decolonization models" » "during decolonization models", "empire decolonial models", "war decolonization models", "empire decolonization notes", "empire decolonization across", "empire decolonization case"
"_ communication theory" » "_ communication technology"
"pro colonization israel" » "pro communication israel", "pro colonization still", "pro colonization history", "bio colonization israel", "re colonization israel", "mars colonization israel"

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