Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai nhat hon snippets" » "dang nhat hon snippets", "moi nhat hon snippets", "dai han hon snippets", "dai nha hon snippets", "dai nhat hoa snippets", "dai nhat huong 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 hon 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 hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai nhat hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai nhat hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.