Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham le data slippers" » "phan le data slippers", "pham lan data slippers", "pham lieu data slippers", "pham als data slippers", "pham le data slippery", "pham le 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: (((("pham le 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: (((("pham le data slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham le data slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham le data slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.