Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc son de snippets" » "cuoc song de snippets", "nuoc song de snippets", "quoc toan de snippets", "quoc son le snippets", "quoc con de snippets", "quoc son d 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: (((("quoc son de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc son de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc son de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc son de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.