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