Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuy so do snippets" » "thuy do do snippets", "thuc so do snippets", "thuyet so do snippets", "thuy so du snippets", "thuy so dk 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: (((("thuy so 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: (((("thuy so do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy so do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy so do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.