Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tre can toi snippets" » "tre dan toi snippets", "tiep can toi snippets", "tiem can toi snippets", "tre can thi snippets", "tre van toi snippets", "tre cac toi 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: (((("tre can toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre can toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tre can toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre can toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.