Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhanh ngu de snippets" » "thanh ngu de snippets", "nhanh ngan de snippets", "nhanh nghe de snippets", "nhanh ngu du snippets", "nhanh ngu dien 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: (((("nhanh ngu de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhanh ngu de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh ngu de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh ngu de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.