Perhaps you should try some spelling variations:
"coder coder sampling branching process" » "coder coder sampling branches process" (Expand search), "coder coder sampling planning process" (Expand search), "coder coder sampling teaching process" (Expand search), "coder under sampling branching process" (Expand search), "coder over sampling branching process" (Expand search), "coder core sampling branching process" (Expand search), "coder decoder sampling branching process" (Expand search), "code code sampling branching process" (Expand search), "decoder codec sampling branching process" (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 sampling branching process") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling branching process\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling branching process ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling branching process") OR ("on python python python programming"))*.