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