Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan anh do snippets" » "pham anh do snippets", "phan thanh do snippets", "phan dang do snippets", "phan anh doc snippets", "phan anh d snippets", "phan anh co 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 anh do 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 anh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan anh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan anh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.