Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi co a7 snippets" » "doi bo a7 snippets", "moi co a7 snippets", "hoi co a7 snippets", "doi cu a7 snippets", "doi co a7 slippers"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi co a7 snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( doi co a7 snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi co a7 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.