Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan du chat snippets" » "lan duoc chat snippets", "lan dung chat snippets", "lan doc chat snippets", "lan dau chat snippets", "lang du chat snippets", "van du chat 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: (((("lan du chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan du chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan du chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan du chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.