Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhe co cua snippets" » "nghe co cua snippets", "he co cua snippets", "nghe cao cua snippets", "nhe con cua snippets", "nhe ca cua snippets", "nhe cong 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: (((("nhe co 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: (((("nhe co cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhe co cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhe co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.