Perhaps you should try some spelling variations:
"coder coder parallel task problem" » "coder over parallel task problem" (Expand search), "coder adder parallel task problem" (Expand search), "coder power parallel task problem" (Expand search), "coder coder parallel tasks problem" (Expand search), "coder coder parallel tests problem" (Expand search), "coder coder parallel trade problem" (Expand search), "coder coder parallel bank problem" (Expand search), "coder coder parallel disk problem" (Expand search), "coder coder parallel stock problem" (Expand search), "coder decoder parallel task problem" (Expand search), "code code parallel task problem" (Expand search), "decoder codec parallel task 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)

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