Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan bac cau snippets" » "phan cac cau snippets", "phan ba cau snippets", "pham bac cau snippets", "phan bach cau snippets", "phan bac can 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 bac cau 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 bac cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan bac cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan bac cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.