Perhaps you should try some spelling variations:
"coder coder string theory object" » "coder coder nursing theory object" (Expand search), "coder coder string theory subject" (Expand search), "coder coder string theory objective" (Expand search), "coder coder string the object" (Expand search), "coder cordel string theory object" (Expand search), "coder closed string theory object" (Expand search), "coder modelo string theory object" (Expand search), "coder decoder string theory object" (Expand search), "code code string theory object" (Expand search), "decoder codec string theory 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 coder string theory object") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder string theory object\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder string theory object ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder string theory object") OR ("on python python python programming"))*.