Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"voi hoat do snippets" » "toi hoat do snippets", "doi hoat do snippets", "vo hoat do snippets", "voi hoat doi snippets", "voi hat do snippets", "voi hoat ho 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: (((("voi hoat 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: (((("voi hoat do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( voi hoat do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi hoat do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.