Perhaps you should try some spelling variations:
"and computational coder execution problem" » "and computational code execution problem" (Expand search), "and computational codes execution problem" (Expand search), "and computational model execution problem" (Expand search), "_ computational coder execution problem" (Expand search), "and computational coder execution problems" (Expand search), "and computational coder evolution problem" (Expand search), "and computational coder execution parole" (Expand search), "and computational over execution problem" (Expand search)
"teaching modeling python python programming" » "teaching model python python programming" (Expand search), "teaching models python python programming" (Expand search), "teaching modality python python programming" (Expand search), "teaching modeling vpython python programming" (Expand search), "teaching modeling pitting python programming" (Expand search), "teaching modeling pythons python programming" (Expand search), "teaching modeling piton python programming" (Expand search), "teaching modeling pitons python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("and computational coder execution problem") OR ("teaching modeling python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational coder execution problem\") OR (\"teaching modeling python python programming\"))".
• Removing quotes may allow a broader search: (( and computational coder execution problem ) OR ( teaching modeling python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computational coder execution problem") OR ("teaching modeling python python programming"))*.