Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do hoai cho snippets" » "do hoi cho snippets", "do hoa cho snippets", "do hoai nhon snippets", "do hai cho snippets", "doi thoai cho 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: (((("do hoai cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do hoai cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do hoai cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do hoai cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.