Perhaps you should try some spelling variations:
"coder precoder rna extreme programming" » "coder decoder rna extreme programming" (Expand search), "coder precoder _ extreme programming" (Expand search), "coder precoder hp extreme programming" (Expand search), "coder precoder and extreme programming" (Expand search), "coder precoder in extreme programming" (Expand search), "coder precoder an extreme 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)

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

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