Perhaps you should try some spelling variations:
"coder coder triangular patch problem" » "coder poder triangular patch problem" (Expand search), "coder lower triangular patch problem" (Expand search), "coder node triangular patch problem" (Expand search), "coder coder triangular lattice problem" (Expand search), "coder coder rectangular patch problem" (Expand search), "coder coder triangular matrix problem" (Expand search), "coder coder triangular path problem" (Expand search), "coder coder triangular path problems" (Expand search), "coder coder triangular math problem" (Expand search), "coder decoder triangular patch problem" (Expand search), "code code triangular patch problem" (Expand search), "decoder codec triangular patch problem" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 triangular patch problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder triangular patch problem\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder triangular patch problem ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder triangular patch problem") OR ("in python python python programming"))*.