Perhaps you should try some spelling variations:
"coder coder in sheduling problem" » "coder coder in scheduling problem" (Expand search), "coder coder in scheduling problems" (Expand search), "coder coder in sceduling problems" (Expand search), "coder coder on scheduling problem" (Expand search), "coder coder gain scheduling problem" (Expand search), "coder decoder in sheduling problem" (Expand search), "code code in sheduling problem" (Expand search), "decoder codec in sheduling problem" (Expand search), "coder code in sheduling problem" (Expand search), "coder codes in sheduling problem" (Expand search), "coder poder in sheduling problem" (Expand search)
"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)

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 in sheduling problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder in sheduling problem\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder in sheduling problem ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder in sheduling problem") OR ("in python python python programming"))*.