Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phai cua con snippets" » "thai cua con snippets", "hai cua con snippets", "phat cua con snippets", "phai cua cong snippets", "phai cua co snippets", "phai cua can 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: (((("phai cua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phai cua con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phai cua con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phai cua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.