Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben dung moi snippets" » "benh dung moi snippets", "ben vung moi snippets", "ban dung moi snippets", "ben dung mo snippets", "ben dung doi snippets", "ben dung mot 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: (((("ben dung moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ben dung moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben dung moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben dung moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.