Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau chi hoa snippets" » "dau khi hoa snippets", "du chi hoa snippets", "dau cuoi hoa snippets", "dau chi khoa snippets", "dau chi hoat snippets", "dau thi hoa 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 chi hoa 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 chi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau chi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau chi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.