Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban phan tom snippets" » "ban phap tom snippets", "van phan tom snippets", "ban than tom snippets", "ban phang tom snippets", "ban phan gom snippets", "ban phan tong 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: (((("ban phan tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban phan tom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban phan tom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban phan tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.