Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap tu don snippets" » "phan tu don snippets", "pham tu don snippets", "phap tu dong snippets", "phap tu do snippets", "phap tu den snippets"
"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: (((("phap tu don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap tu don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap tu don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap tu don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.