Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xac thi hoa snippets" » "cac thi hoa snippets", "tac thi hoa snippets", "cac thoi hoa snippets", "xac thi hoan snippets", "xac thi ha snippets", "xac thi hong 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: (((("xac thi 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: (((("xac thi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xac thi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xac thi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.