Perhaps you should try some spelling variations:
"coder functions using navigation problem" » "coder functions using estimation problem" (Expand search), "coder functions using irrigation problem" (Expand search), "coder functions in navigation problem" (Expand search), "coder functions blind navigation problem" (Expand search), "power functions using navigation problem" (Expand search), "order functions using navigation problem" (Expand search), "colour functions using navigation problem" (Expand search), "coder function using navigation problem" (Expand search), "coder reactions using navigation 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 functions using navigation problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder functions using navigation problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder functions using navigation problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder functions using navigation problem") OR ("api python python python programming"))*.