Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai thuat co snippets" » "giai thuat co snippets", "bai thuyet co snippets", "ki thuat co snippets", "bai thuat do snippets", "bai thuat o 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: (((("bai thuat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai thuat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai thuat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai thuat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.