Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan cau tre snippets" » "phan dau tre snippets", "phan cac tre snippets", "phan tu tre snippets", "phan cau tren snippets", "phan cau treo snippets", "phan cau tra 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 cau tre 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 cau tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan cau tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cau tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.