Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tay va toan snippets" » "tay van toan snippets", "tay bai toan snippets", "tay tap toan snippets", "day va toan snippets", "may va toan snippets", "tay ha toan 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: (((("tay va toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tay va toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tay va toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tay va toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.