Perhaps you should try some spelling variations:
"nets communication iran" » "lea's communication iran", "mass communication iran", "c's communication iran", "nets communication iraq", "nets communication ireland", "nets communication brands"
"pro decolonization _" » "pro colonization _", "_ decolonization _", "box decolonization _"
"mars cooperation scale" » "mars cooperation case", "mars cooperation state", "mars cooperation sara", "early cooperation scale", "area cooperation scale", "arab cooperation scale"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("pro decolonization _") OR ((("mars cooperation scale") OR ("nets communication iran"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pro decolonization _\") OR (((\"mars cooperation scale\") OR (\"nets communication iran\"))))*".
• Removing quotes may allow a broader search: (( pro decolonization _ ) OR ((( mars cooperation scale ) OR ( nets communication iran ))))*.