Perhaps you should try some spelling variations:
"coder coder shadow detection problem" » "coder coder shadow selection problem" (Expand search), "coder coder shadow detection program" (Expand search), "coder coder shadow demarcation problem" (Expand search), "coder tower shadow detection problem" (Expand search), "coder hole shadow detection problem" (Expand search), "coder body shadow detection problem" (Expand search), "coder decoder shadow detection problem" (Expand search), "code code shadow detection problem" (Expand search), "decoder codec shadow detection problem" (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 coder shadow detection problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder shadow detection problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder shadow detection problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder shadow detection problem") OR ("api python python python programming"))*.