Perhaps you should try some spelling variations:
"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)
"coder code _ parallel programming" » "code code _ parallel programming" (Expand search), "modern code _ parallel programming" (Expand search), "color code _ parallel 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 code _ parallel programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code _ parallel programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder code _ parallel programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder code _ parallel programming") OR ("api python python python programming"))*.