Perhaps you should try some spelling variations:
"coder perfectly _ precoder program" » "coder perfectly _ proder program" (Expand search), "coder perfectly _ recovery program" (Expand search), "coder perfectly _ precoce programa" (Expand search), "disorder perfectly _ precoder program" (Expand search), "under imperfectly _ precoder program" (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 perfectly _ precoder program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder perfectly _ precoder program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder perfectly _ precoder program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder perfectly _ precoder program") OR ("api python python python programming"))*.