Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan cung da snippets" » "phan cong da snippets", "phan ung da snippets", "phan xuong da snippets", "phan cung dat snippets", "phan cung la snippets", "phan cung va 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 cung da 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 cung da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan cung da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cung da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.