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 2013 tt snippets" » "doi 2018 tt snippets", "dai 2013 tt snippets", "doi 2010 tt snippets", "doi 2011 tt snippets", "doi 2017 tt snippets", "doi 2013 tt slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doi 2013 tt snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi 2013 tt snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( doi 2013 tt snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi 2013 tt snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.