Perhaps you should try some spelling variations:
"coder decoder coding book object" » "coder decoder codecs book object" (Expand search), "coder decoder using book object" (Expand search), "coder decoder codec book object" (Expand search), "encoder decoder coding book object" (Expand search), "coder decoder coding loop object" (Expand search), "coder decoder coaching book object" (Expand search), "coder decoder cooking books object" (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 decoder coding book object") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder coding book object\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder coding book object ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder coding book object") OR ("on python python python programming"))*.