Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ve cho snippets" » "nhan va cho snippets", "nhat ve cho snippets", "nhin ve cho snippets", "nhan ve co snippets", "nhan ve che snippets", "nhan de cho 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: (((("nhan ve cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan ve cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ve cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ve cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.