Perhaps you should try some spelling variations:
"coder coder basic tracking problem" » "coder coder basic tracking problems" (Expand search), "coder coder basic packing problem" (Expand search), "coder coder basic teaching problem" (Expand search), "coder coder basic training problem" (Expand search), "coder coder based tracking problem" (Expand search), "coder decoder basic tracking problem" (Expand search), "code code basic tracking problem" (Expand search), "decoder codec basic tracking problem" (Expand search), "coder model basic tracking problem" (Expand search), "coder under basic tracking 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 basic tracking problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder basic tracking problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder basic tracking problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder basic tracking problem") OR ("api python python python programming"))*.