Perhaps you should try some spelling variations:
"coder coder control _ programming" » "coder poder control _ programming" (Expand search), "coder encoder control _ programming" (Expand search), "coder poder controle _ programming" (Expand search), "coder decoder control _ programming" (Expand search), "code code control _ programming" (Expand search), "decoder codec control _ programming" (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 control _ programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder control _ programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder control _ programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder control _ programming") OR ("on python python python programming"))*.