Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu dai do snippets" » "lieu tai do snippets", "lieu bai do snippets", "lieu dao do snippets", "lieu dai so snippets", "lieu dai de snippets", "lieu dai o 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: (((("lieu dai do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu dai do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu dai do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu dai do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.