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