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