Perhaps you should try some spelling variations:
"doi va phat snippets" » "hoi va phat snippets", "noi va phat snippets", "dai va phat snippets", "doi va phat slippers", "doi va phan snippets", "doi va pham snippets", "doi va phap snippets"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using a snippets") or ("doi va phat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("doi va phat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( doi va phat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("doi va phat snippets"))) or ("locating bug code snippets"))*.