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