Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi lam don snippets" » "noi nam don snippets", "nong lam don snippets", "nhom lam don snippets", "noi lam dong snippets", "noi la don snippets", "noi lam son 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: (((("noi lam 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: (((("noi lam don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi lam don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi lam don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.