Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat mon don snippets" » "nhap mon don snippets", "nhat moi don snippets", "hat mon don snippets", "nhat hon don snippets", "nhat mon duong snippets", "nhat mon ngon 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: (((("nhat mon don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat mon don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat mon don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat mon don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.