Perhaps you should try some spelling variations:
"support carbon integration theories." » "support carbon integration theorems.", "support carbon integrationstheorie 2.", "support carbon integration theory.", "support carlo integration theories.", "support urban integration theories.", "support can integration theories.", "supporting carbon integration theories.", "support common integration theories."
"support eu integration schemes." » "support eu integration schengen.", "support eu irrigation schemes.", "support eu integration regimes.", "support deep integration schemes.", "support die integration schemes.", "support data integration schemes.", "support _ integration schemes.", "support a integration schemes.", "support 4 integration schemes."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support eu integration schemes.") OR ("support carbon integration theories."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support eu integration schemes.\") OR (\"support carbon integration theories.\"))".
• Removing quotes may allow a broader search: (( support eu integration schemes. ) OR ( support carbon integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("support eu integration schemes.") OR ("support carbon integration theories."))*.