Perhaps you should try some spelling variations:
"advanced modulation _ computing program" » "advanced calculation _ computing program" (Expand search), "advanced oxidation _ computing program" (Expand search), "advanced modulation _ consulting program" (Expand search), "advanced modulation _ computador program" (Expand search), "advanced modulation _ computer programs" (Expand search)
"based computational code computer program" » "and computational code computer program" (Expand search), "by computational code computer program" (Expand search), "based computational model computer program" (Expand search), "based computational cost computer program" (Expand search), "based computational models computer program" (Expand search), "based computational node computer program" (Expand search), "based computational one computer program" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced modulation _ computing program\") OR (\"based computational code computer program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation _ computing program ) OR ( based computational code computer program ))~.
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