Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau ti da snippets" » "dau tim da snippets", "dau tu da snippets", "dau tien da snippets", "dau toi da snippets", "dau thi da snippets", "dau si da 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: (((("dau ti 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: (((("dau ti da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau ti da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau ti da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.