Perhaps you should try some spelling variations:
"coder coder width allocation problems" » "coder coder width allocation problem" (Expand search), "coder coder width location problems" (Expand search), "coder coder width location problem" (Expand search), "coder coder with allocation problems" (Expand search), "coder coder switch allocation problems" (Expand search), "coder coder berth allocation problems" (Expand search), "coder decoder width allocation problems" (Expand search), "code code width allocation problems" (Expand search), "decoder codec width allocation problems" (Expand search), "coder encoder with allocation problems" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 width allocation problems\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder width allocation problems ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder width allocation problems") OR ("_ python python python programming"))*.