Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nom cua cua snippets" » "nam cua cua snippets", "gom cua cua snippets", "noi cua cua snippets", "nom cua chua snippets", "nom ca cua snippets", "nom qua 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: (((("nom cua 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: (((("nom cua cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nom cua cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nom cua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.