Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tay son toan snippets" » "tay mon toan snippets", "tay so toan snippets", "tay son thanh snippets", "thai son 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 son 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 son toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tay son toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tay son toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.