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