Perhaps you should try some spelling variations:
"support state interventions helping." » "support state interventions having.", "support state interventions help.", "support state interventions seeing.", "support state intervention helping.", "support sanitation interventions helping.", "support stage interventions helping.", "support staff interventions helping.", "support start interventions helping."
"import trade integration series." » "import trade integration services.", "import trade interaction series.", "import trade integration server.", "export trade integration series.", "import price integration series.", "import taxes integration series."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"import trade integration series.\") OR (\"support state interventions helping.\"))~".
• Removing quotes may allow a broader search: (( import trade integration series. ) OR ( support state interventions helping. ))~.
• Adding a wildcard symbol may retrieve word variants: (("import trade integration series.") OR ("support state interventions helping."))*.