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