Perhaps you should try some spelling variations:
"coder code on triangular problem" » "coder code on singular problem" (Expand search), "coder code on triangle problem" (Expand search), "coder code on triangulation problem" (Expand search), "coder code of triangular problem" (Expand search), "coder code in triangular problem" (Expand search), "coder code and triangular problem" (Expand search), "code code on triangular problem" (Expand search), "modern code on triangular problem" (Expand search), "color code on triangular 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 code on triangular problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code on triangular problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder code on triangular problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder code on triangular problem") OR ("api python python python programming"))*.