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