Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban than coc snippets" » "ban thanh coc snippets", "van thanh coc snippets", "ban hang coc snippets", "ban than doc snippets", "ban than hoc snippets", "ban thanh cac 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 than coc 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 than coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban than coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban than coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.