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