Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trac co toc snippets" » "trac co code snippets", "tac co toc snippets", "trac ho toc snippets", "trac hoc toc snippets", "trac cao toc snippets", "trac co hoc snippets", "trac co doc snippets"
"python using java snippets" » "python using data snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trac co toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"trac co toc snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( trac co toc snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trac co toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.