Perhaps you should try some spelling variations:
"using complexation with constraint programming" » "using completion with constraint programming" (Expand search), "sn4 complexation with constraint programming" (Expand search), "using compilation with constraint programming" (Expand search), "using competition with constraint programming" (Expand search), "using combination with constraint programming" (Expand search), "using composition with constraint programming" (Expand search), "using complexation with constraints programming" (Expand search), "using complexation with constrained programming" (Expand search), "using complexation with constant programming" (Expand search)
"using implication in coding program" » "using implications in coding program" (Expand search), "using application in coding program" (Expand search), "nursing implications in coding program" (Expand search), "using implications on coding program" (Expand search), "using implication of coding program" (Expand search), "using implication in cloning program" (Expand search), "using implication in loading program" (Expand search), "using implication in cooling programs" (Expand search), "using implication on coding program" (Expand search), "using implication in decoding program" (Expand search), "using implication non coding program" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("using implication in coding program") OR ("using complexation with constraint programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using implication in coding program\") OR (\"using complexation with constraint programming\"))*".
• Removing quotes may allow a broader search: (( using implication in coding program ) OR ( using complexation with constraint programming ))*.