Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"peng cao co snippets" » "phung cao co snippets", "nang cao co snippets", "nung cao co snippets", "peng cao cho snippets", "peng cac co snippets", "peng cay 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: (((("peng cao co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("peng cao co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( peng cao co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("peng cao co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.