Perhaps you should try some spelling variations:
"advanced modulation in computer program" » "advanced calculation in computer program" (Expand search), "advanced oxidation in computer program" (Expand search), "advanced modulation of computer program" (Expand search), "advanced modulation _ computer program" (Expand search)
"advanced simulation hybrid coding program" » "advanced calculation hybrid coding program" (Expand search), "advanced education hybrid coding program" (Expand search), "advanced simulation hybrid cloning program" (Expand search), "advanced simulation hybrid loading program" (Expand search), "advanced simulation hybrid cooling programs" (Expand search), "advanced simulation hybrid coating program" (Expand search), "advanced simulation hybrid costing program" (Expand search), "advanced simulation hybrid precoding program" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced simulation hybrid coding program\") OR (\"advanced modulation in computer program\"))~".
• Removing quotes may allow a broader search: (( advanced simulation hybrid coding program ) OR ( advanced modulation in computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation hybrid coding program") OR ("advanced modulation in computer program"))*.