Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan suc cua snippets" » "phan duc cua snippets", "pha suc cua snippets", "phan quoc cua snippets", "phan luc cua snippets", "phan sac cua snippets", "phan soc 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: (((("phan suc 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: (((("phan suc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan suc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan suc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.