Perhaps you should try some spelling variations:
"support a integration schemes." » "support a integration schengen.", "support a irrigation schemes.", "support a integration regimes.", "support 3 integration schemes.", "support 2 integration schemes.", "support 4 integration schemes.", "support _ integration schemes."
"support face interaction terms." » "support face interaction term.", "support machine interaction terms.", "support matter interaction terms.", "support 3.2 interaction terms.", "support place interaction terms.", "support act interaction terms.", "support farm interaction terms."

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support a integration schemes.\") OR (\"support face interaction terms.\"))~".
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