Perhaps you should try some spelling variations:
"coder computational algorithm c problem" » "coder computational algorithms c problem" (Expand search), "code computational algorithm c problem" (Expand search), "poder computacional algorithm c problem" (Expand search), "model computational algorithm c problem" (Expand search), "coder computational algorithm dc problem" (Expand search), "coder computational algorithm _ problem" (Expand search), "coder computational algorithm 2 problem" (Expand search), "coder computational algorithm c problema" (Expand search), "coder computational algorithm 1 problem" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder computational algorithm c problem") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder computational algorithm c problem\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder computational algorithm c problem ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder computational algorithm c problem") OR ("_ python python python programming"))*.