Perhaps you should try some spelling variations:
"support state integrationstheorie 2." » "support eine integrationstheorie 2.", "support der integrationstheorie 2.", "support state integrationstheorie fur.", "support state integration theories.", "support state interpretationstheorie 2.", "support stage integrationstheorie 2.", "support staff integrationstheorie 2.", "support start integrationstheorie 2."
"support farm irrigation scheme." » "support farm irrigation systems.", "support scale irrigation scheme.", "support canal irrigation scheme.", "support firms irrigation scheme.", "support from irrigation scheme.", "support farmers irrigation scheme."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support farm irrigation scheme.") or ("support state integrationstheorie 2."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support farm irrigation scheme.") OR ("support state integrationstheorie 2.")).
• Removing quotes may allow a broader search: (( support farm irrigation scheme. ) or ( support state integrationstheorie 2. )).
• Adding a wildcard symbol may retrieve word variants: (("support farm irrigation scheme.") or ("support state integrationstheorie 2."))*.