Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"trac da code snippets" » "trac dia code snippets", "tac da code snippets", "trai dat code snippets", "trac da core snippets", "trac da code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

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