Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham dat co snippets" » "pham dac co snippets", "pham dau co snippets", "pham nhat co snippets", "pham dat cho snippets", "pham vat co snippets", "pham dat o 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: (((("pham dat 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: (((("pham dat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham dat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham dat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.