Perhaps you should try some spelling variations:
"coder coder computing sequential process" » "coder coder compelling sequential process" (Expand search), "coder coder composite sequential process" (Expand search), "coder coder communicating sequential process" (Expand search), "coder coder computing referential process" (Expand search), "coder modern computing sequential process" (Expand search), "coder model computing sequential process" (Expand search), "coder power computing sequential process" (Expand search), "coder decoder computing sequential process" (Expand search), "code code computing sequential process" (Expand search), "decoder codec computing sequential 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)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder computing sequential process") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder computing sequential process\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder computing sequential process ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder computing sequential process") OR ("on python python python programming"))*.