Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tru va do snippets" » "truc va do snippets", "tu va do snippets", "trung va do snippets", "tru va dao snippets", "tru va doc snippets", "tru va co 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: (((("tru va do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tru va do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tru va do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tru va do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.