Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian nha da snippets" » "gian ha da snippets", "giang nhat da snippets", "gian nghe da snippets", "gian nha ha snippets", "gian nha va snippets", "gian nhan dan 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: (((("gian nha da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian nha da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian nha da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian nha da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.