Perhaps you should try some spelling variations:
"coder codon usage integer programming" » "coder codon usage linear programming" (Expand search), "coder codon use integer programming" (Expand search), "coder codon usage intent programming" (Expand search), "coder codon aware integer programming" (Expand search), "poder codon usage integer programming" (Expand search), "codes codon usage integer programming" (Expand search), "coded codon usage integer programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python 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: (("coder codon usage integer programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder codon usage integer programming\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder codon usage integer programming ) OR ( api python python python programming ))*.