Perhaps you should try some spelling variations:
"coder coder using propagation in" » "coder coder cutting propagation in" (Expand search), "coder coder single propagation in" (Expand search), "coder coder in propagation in" (Expand search), "coder coder using propagation of" (Expand search), "coder decoder using propagation in" (Expand search), "code code using propagation in" (Expand search), "decoder codec using propagation in" (Expand search), "coder coders using propagation in" (Expand search), "coder cover using propagation in" (Expand search), "coder code using propagation in" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using propagation in\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder using propagation in ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder using propagation in") OR ("_ python python python programming"))*.