Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat hieu tu slippers" » "dao hieu tu slippers", "dat tieu tu slippers", "rat nhieu tu slippers", "dat chieu tu slippers", "dat hieu tuc slippers", "dat hien tu slippers", "dat hieu tu slippery", "dat hieu tu 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: (((("dat hieu tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat hieu tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat hieu tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat hieu tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.