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