Perhaps you should try some spelling variations:
"coder semantics in decoding program" » "coder semantics in welcoming program" (Expand search), "coder semantics in deworming program" (Expand search), "coder semantics in feeding program" (Expand search), "model semantics in decoding program" (Expand search), "or semantics in decoding program" (Expand search), "code semiotics in decoding program" (Expand search), "coder semantics and decoding program" (Expand search), "coder semantics of decoding program" (Expand search), "coder semantics _ decoding program" (Expand search), "coder semantics in decaying 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 semantics in decoding program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder semantics in decoding program\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder semantics in decoding program ) OR ( on python python python programming ))*.