Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tro phan hoa snippets" » "trot phan hoa snippets", "tri phan hoa snippets", "tra phan hoa snippets", "tro phan loai snippets", "tro khanh hoa snippets", "tro phan phoi 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: (((("tro phan hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tro phan hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro phan hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro phan hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.