Perhaps you should try some spelling variations:
"coder coder with subgroups problem" » "coder coder with subgroup problem" (Expand search), "coder coder with subgraph problem" (Expand search), "coder coder with group problem" (Expand search), "coder coder with groups problem" (Expand search), "coder coder in subgroups problem" (Expand search), "coder coder into subgroups problem" (Expand search), "coder decoder with subgroups problem" (Expand search), "code code with subgroups problem" (Expand search), "decoder codec with subgroups problem" (Expand search), "coder codes with subgroups problem" (Expand search), "coder code with subgroups problem" (Expand search), "coder cover with subgroups 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 with subgroups problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder with subgroups problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder with subgroups problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder with subgroups problem") OR ("api python python python programming"))*.