Perhaps you should try some spelling variations:
"coder coder finding invariant functions" » "coder coder finding invariant conections" (Expand search), "coder coder finding invariant reactions" (Expand search), "coder coder finding invariant connections" (Expand search), "coder coder linking invariants functions" (Expand search), "coder coder using invariant functions" (Expand search), "coder coder having invariant functions" (Expand search), "coder cancer finding invariant functions" (Expand search), "coder case finding invariant functions" (Expand search), "coder dose finding invariant functions" (Expand search), "coder decoder finding invariant functions" (Expand search), "code code finding invariant functions" (Expand search), "decoder codec finding invariant functions" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 finding invariant functions") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder finding invariant functions\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder finding invariant functions ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder finding invariant functions") OR ("on python python python programming"))*.