Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ve doan snippets" » "nhan va doan snippets", "nhat ve doan snippets", "nhin ve doan snippets", "nhan le doan snippets", "nhan ve dan snippets", "nhan ket doan 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: (((("nhan ve doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan ve doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ve doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ve doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.