Perhaps you should try some spelling variations:
"coder precoder contracts based programming" » "coder power contracts based programming" (Expand search), "coder order contracts based programming" (Expand search), "coder precoder contracts and programming" (Expand search), "coder precoder contracts based program" (Expand search), "coder precoder contracts cone programming" (Expand search), "coder precoder contract based programming" (Expand search), "coder precoder constructs based programming" (Expand search), "coder precoder contrast based programming" (Expand search), "coder decoder contracts based 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 contracts based programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder contracts based programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder contracts based programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder contracts based programming") OR ("api python python python programming"))*.