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