Perhaps you should try some spelling variations:
"coder coder coding invariants method" » "coder coder coding variants method" (Expand search), "coder coder using invariants method" (Expand search), "coder coder linking invariants method" (Expand search), "coder coder coding invariant metric" (Expand search), "coder modern coding invariants method" (Expand search), "coder color coding invariants method" (Expand search), "coder odor coding invariants method" (Expand search), "coder decoder coding invariants method" (Expand search), "code code coding invariants method" (Expand search), "decoder codec coding invariants method" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 coding invariants method") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coding invariants method\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coding invariants method ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coding invariants method") OR ("_ python python python programming"))*.