Perhaps you should try some spelling variations:
"coder coder wireless allocation problem" » "coder coder wireless aplication problem" (Expand search), "coder coder wireless location problem" (Expand search), "coder coder wireless application problem" (Expand search), "coder over wireless allocation problem" (Expand search), "coder power wireless allocation problem" (Expand search), "coder econet wireless allocation problem" (Expand search), "coder decoder wireless allocation problem" (Expand search), "code code wireless allocation problem" (Expand search), "decoder codec wireless 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), "manim 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 wireless allocation problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder wireless allocation problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder wireless allocation problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder wireless allocation problem") OR ("api python python python programming"))*.