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