Perhaps you should try some spelling variations:
"tree propagation python python programming" » "tree propagation method python programming" (Expand search), "tree propagation path python programming" (Expand search), "tree programmation python python programming" (Expand search), "the propagation python python programming" (Expand search), "time propagation python python programming" (Expand search), "wave propagation python python programming" (Expand search), "tree propagation pythons python programming" (Expand search), "tree propagation piton python programming" (Expand search), "tree propagation pitons python programming" (Expand search)
"coder estimation from coding program" » "model estimation from coding program" (Expand search), "power estimation from coding program" (Expand search), "color estimation from coding program" (Expand search), "coder estimation of coding program" (Expand search), "coder estimation from cloning program" (Expand search), "coder estimation from loading program" (Expand search), "coder estimation from cooling programs" (Expand search), "coder estimation from decoding program" (Expand search), "coder estimation from cooking program" (Expand search), "coder estimation from codium program" (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 estimation from coding program") OR ("tree propagation python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder estimation from coding program\") OR (\"tree propagation python python programming\"))".
• Removing quotes may allow a broader search: (( coder estimation from coding program ) OR ( tree propagation python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder estimation from coding program") OR ("tree propagation python python programming"))*.