Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc du tran slippers" » "luc d tran slippers", "luc dau tranh slippers", "luc huy tran slippers", "cuc du tran slippers", "luc tu tran slippers", "luc dieu tran slippers", "luc du tran slippery", "luc du tran 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: (((("luc du tran slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc du tran slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc du tran slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc du tran slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.