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