Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat cau danh slippers" » "dat cao danh slippers", "dat chuc danh slippers", "dat nam danh slippers", "data cau danh slippers", "dat cau danh slippery", "dat cau danh 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 cau danh 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 cau danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat cau danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat cau danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.