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