Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung lai noi snippets" » "dung tai noi snippets", "dung lam noi snippets", "dung sai noi snippets", "dung loi noi snippets", "dung lai hoi snippets", "dung lai noc 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: (((("dung lai noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung lai noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lai noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lai noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.