Perhaps you should try some spelling variations:
"coder implementation on coverage programmer" » "code implementation on coverage programmer" (Expand search), "decoder implementation on coverage programmer" (Expand search), "model implementation on coverage programmer" (Expand search), "coder implementation on coverage program" (Expand search), "coder implementation of coverage programmer" (Expand search), "coder implementation in coverage programmer" (Expand search), "coder implementation and coverage programmer" (Expand search), "coder implementation bone coverage programmer" (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 implementation on coverage programmer") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation on coverage programmer\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder implementation on coverage programmer ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder implementation on coverage programmer") OR ("_ python python python programming"))*.