Perhaps you should try some spelling variations:
"export bases integrated services." » "export bases internet services.", "export based integrated services.", "export sea integrated services.", "export water integrated services.", "export base integrated services.", "export baskets integrated services.", "export basket integrated services."
"import data integration series." » "import data integration theories.", "import data integrating services.", "import data integration schemes.", "import trade integration series.", "import _ integration series.", "import data integrity series.", "import duty integration series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("import data integration series.") or ("export bases integrated services."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import data integration series.") OR ("export bases integrated services.")).
• Removing quotes may allow a broader search: (( import data integration series. ) or ( export bases integrated services. )).
• Adding a wildcard symbol may retrieve word variants: (("import data integration series.") or ("export bases integrated services."))*.