Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai nhat dot snippets" » "dang nhat dot snippets", "moi nhat dot snippets", "dai han dot snippets", "dai nhan dot snippets", "dai nhay dot snippets", "dai nhat so 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: (((("dai nhat dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai nhat dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai nhat dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai nhat dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.