Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan cong dan slippers" » "dang cong dan slippers", "van cong dan slippers", "dan dong dan slippers", "dan cong san slippers", "dan cong tan slippers", "dan huong dan slippers", "dan cong dan slippery", "dan cong 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 cong 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 cong dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan cong dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cong dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.