Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giu benh cua snippets" » "gay benh cua snippets", "li benh cua snippets", "sau benh cua snippets", "giu benh chua snippets", "giu menh cua snippets", "giu benh luan 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: (((("giu benh 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: (((("giu benh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giu benh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giu benh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.