Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi bat son snippets" » "moi bat son snippets", "hoi dat son snippets", "hoi bai son snippets", "hoi bac son snippets", "hoi bat dong snippets", "hoi bang son 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 bat son 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 bat son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi bat son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi bat son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.