Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trac mo hoc snippets" » "trac ho hoc snippets", "trac hoc hoc snippets", "truc mot hoc snippets", "trac mon hoc snippets", "trac co hoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 mo hoc 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 mo hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trac mo hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trac mo hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.