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