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