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