Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung nhan tu slippers" » "dung luan tu slippers", "dung nhanh tu slippers", "dung phan tu slippers", "dung nhan su slippers", "dung nhan tu slippery", "dung nhan 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: (((("dung nhan 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: (((("dung nhan tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nhan tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nhan tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.