Perhaps you should try some spelling variations:
"coder coder sampling allocation problem" » "coder coder sampling location problem" (Expand search), "coder coder damping allocation problem" (Expand search), "coder coder sample allocation problem" (Expand search), "coder under sampling allocation problem" (Expand search), "coder over sampling allocation problem" (Expand search), "coder core sampling allocation problem" (Expand search), "coder decoder sampling allocation problem" (Expand search), "code code sampling allocation problem" (Expand search), "decoder codec sampling allocation problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa 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 sampling allocation problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder sampling allocation problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling allocation problem") OR ("api python python python programming"))*.