Perhaps you should try some spelling variations:
"coder string matching efficient coding" » "coder string matching coefficient coding" (Expand search), "coder string matching efficiency coding" (Expand search), "coder string switching efficient coding" (Expand search), "cordel string matching efficient coding" (Expand search), "closed string matching efficient coding" (Expand search), "modelo string matching efficient coding" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder string matching efficient coding\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder string matching efficient coding ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder string matching efficient coding") OR ("api python python python programming"))*.