Perhaps you should try some spelling variations:
"advanced computation in computer program" » "advanced computations in computer program" (Expand search), "advanced computational in computer program" (Expand search), "advance computational in computer program" (Expand search), "advanced computation and computer program" (Expand search), "advanced computation of computer program" (Expand search), "advanced imputation in computer program" (Expand search), "advanced computation _ computer program" (Expand search)
"advanced simulation from linear programming" » "advanced modulation from linear programming" (Expand search), "advanced calculation from linear programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("advanced computation in computer program") OR ("advanced simulation from linear programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced computation in computer program\") OR (\"advanced simulation from linear programming\"))".
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