Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh tu lua slippers" » "trinh ky lua slippers", "trinh do lua slippers", "trinh tu luan slippers", "trinh tu luat slippers", "trinh tu cua slippers", "trinh tu lua slippery", "trinh tu lua 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: (((("trinh tu lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh tu lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh tu lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh tu lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.