Perhaps you should try some spelling variations:
"advanced functionality of screening program" » "and functionality of screening program" (Expand search), "advanced functionalization of screening program" (Expand search), "advanced functionality _ screening program" (Expand search), "advanced functionality and screening program" (Expand search)
"advanced cancer coding decoding program" » "advanced cancer coding welcoming program" (Expand search), "advanced cancer coding deworming program" (Expand search), "advanced cancer coding feeding program" (Expand search), "advanced cancer encoding decoding program" (Expand search), "advanced cancer reading decoding program" (Expand search), "advanced cancer joint decoding program" (Expand search), "advanced cancer coping decoding program" (Expand search), "advanced cancer holding decoding program" (Expand search), "advanced cancer caring decoding program" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("advanced functionality of screening program") OR ("advanced cancer coding decoding program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced functionality of screening program\") OR (\"advanced cancer coding decoding program\"))*".
• Removing quotes may allow a broader search: (( advanced functionality of screening program ) OR ( advanced cancer coding decoding program ))*.