Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung ve phat slippers" » "dung va phat slippers", "dung he phat slippers", "dung de phat slippers", "dung te phat slippers", "dung ve phat slippery", "dung ve phat grippers"
"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: (((("dung ve phat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ve phat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ve phat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ve phat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.