Perhaps you should try some spelling variations:
"export sea integrated services." » "export sea internet services.", "export based integrated services.", "export kenya integrated services.", "export asia integrates services.", "export led integrated services.", "export a integrated services.", "export share 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 sea integrated services."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import data integration series.") OR ("export sea integrated services.")).
• Removing quotes may allow a broader search: (( import data integration series. ) or ( export sea integrated services. )).
• Adding a wildcard symbol may retrieve word variants: (("import data integration series.") or ("export sea integrated services."))*.