Perhaps you should try some spelling variations:
"supply eine integrationstheorie 2." » "supply der integrationstheorie 2.", "supply revidierte integrationstheorie 2.", "supply die generationstheorie 2.", "supply eine integrationstheorie fur.", "supply eine integration theories.", "supply eine interpretationstheorie 2.", "supply lines integrationstheorie 2.", "supply china integrationstheorie 2."
"supply basin irrigation schemes." » "supply basin irrigation scheme.", "supply basin irrigation systems.", "supply drip irrigation schemes.", "supply canal irrigation schemes.", "supply farm irrigation schemes.", "supply asia irrigation schemes.", "supply based irrigation schemes.", "supply design irrigation schemes."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply eine integrationstheorie 2.") OR ("supply basin irrigation schemes."))~.
• Removing quotes may allow a broader search: (( supply eine integrationstheorie 2. ) or ( supply basin irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply eine integrationstheorie 2.") or ("supply basin irrigation schemes."))*.