Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan va ton snippets" » "quan vi ton snippets", "quan ha ton snippets", "luan va ton snippets", "quan va toan snippets", "quan va tong snippets", "quan va tin 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: (((("quan va ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan va ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan va ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan va ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.