Perhaps you should try some spelling variations:
"coder coder lidar placement problem" » "coder coder lidar management problem" (Expand search), "coder coder fiber placement problem" (Expand search), "coder coder lead placement problem" (Expand search), "coder coder lime placement problem" (Expand search), "coder decoder lidar placement problem" (Expand search), "code code lidar placement problem" (Expand search), "decoder codec lidar placement problem" (Expand search), "coder poder cuidar placement 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 lidar placement problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder lidar placement problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder lidar placement problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder lidar placement problem") OR ("api python python python programming"))*.