Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi duc cac snippets" » "thi cuc cac snippets", "thi dua cac snippets", "thi du cac snippets", "thi duoc cac snippets", "thi tuc cac snippets", "thi muc cac 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: (((("thi duc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi duc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi duc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi duc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.