Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giao thuy co snippets" » "gia thuc co snippets", "gian thua co snippets", "giao thuc co snippets", "giao thuy do snippets", "giao huy co 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: (((("giao thuy co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giao thuy co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giao thuy co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giao thuy co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.