Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doan thu cua snippets" » "doanh thu cua snippets", "doan thuc cua snippets", "doan thi cua snippets", "doan hu cua snippets", "doan tu cua 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: (((("doan thu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan thu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan thu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan thu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.