Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"zhan da cau snippets" » "phan dau cau snippets", "nhan dan cau snippets", "phan dai cau snippets", "zhan dat cau snippets", "zhan va cau 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: (((("zhan da 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: (((("zhan da cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( zhan da cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("zhan da cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.