Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh va tra slippers" » "doanh va tra slippers", "hanh va tra slippers", "anh va tra slippers", "danh va trac slippers", "danh va tre slippers", "danh va tro slippers", "danh va tra slippery", "danh va tra 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 va tra 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 va tra slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh va tra slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh va tra slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.