Perhaps you should try some spelling variations:
"coder coder based allocation problem" » "coder coder based location problem" (Expand search), "coder coder bed allocation problem" (Expand search), "coder coder based application problem" (Expand search), "coder decoder based allocation problem" (Expand search), "code code based allocation problem" (Expand search), "decoder codec based allocation problem" (Expand search), "coder code based allocation problem" (Expand search), "coder foder based allocation problem" (Expand search), "coder codec based allocation 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.

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