Perhaps you should try some spelling variations:
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)
"coder coder using petri object" » "coder coder using petrified object" (Expand search), "coder decoder using petri object" (Expand search), "code code using petri object" (Expand search), "decoder codec using petri object" (Expand search), "coder coders using petri object" (Expand search), "coder cover using petri object" (Expand search), "coder code using petri object" (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 using petri object") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using petri object\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using petri object ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using petri object") OR ("in python python python programming"))*.