Perhaps you should try some spelling variations:
"python using data slippers" » "python using java slippers", "python using sat slippers", "python missing data slippers", "python using data slippery", "python using data grippers"
"dung cac thi snippets" » "luong cac thi snippets", "dung cho thi snippets", "dung tai thi snippets", "dung cac thoi snippets", "dung cau thi snippets", "dung can thi snippets"
"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: (((("python using data slippers") or ("dung cac thi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data slippers") OR ("dung cac thi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data slippers ) or ( dung cac thi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data slippers") or ("dung cac thi snippets"))) or ("locating bug code snippets"))*.