Perhaps you should try some spelling variations:
"import through integrationstheorie 2." » "import der integrationstheorie 2.", "import through integrationstheorie fur.", "import through integration theories.", "import through interpretationstheorie 2.", "impact through integrationstheorie 2.", "export through integrationstheorie 2.", "support through integrationstheorie 2."
"support better testing services." » "support better existing services.", "support better lending services.", "support better training services.", "support water testing services.", "support beta testing services.", "support better using services."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("import through integrationstheorie 2.") or ("support better testing services."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import through integrationstheorie 2.") OR ("support better testing services."))*.
• Removing quotes may allow a broader search: (( import through integrationstheorie 2. ) or ( support better testing services. ))*.