Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan tung dan slippers" » "dan trung dan slippers", "dang tung dan slippers", "dan dung dan slippers", "dan huong dan slippers", "dan trung dai slippers", "dan tung dan slippery", "dan tung dan 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: (((("dan tung dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tung dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan tung dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tung dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.