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."
"support trade integration series." » "support trade integration services.", "support trade interaction series.", "support trade integration server.", "support trainer integration series.", "export trade integration series.", "import trade 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: "((\"support trade integration series.\") OR (\"support state interventions helping.\"))~".
• Removing quotes may allow a broader search: (( support trade integration series. ) OR ( support state interventions helping. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support trade integration series.") OR ("support state interventions helping."))*.