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