Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong cac chu snippets" » "trong cac chu snippets", "thong cac chu snippets", "tong cuc chu snippets", "tong cac thu snippets", "tong cac che snippets", "tong cac khu 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: (((("tong cac chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong cac chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong cac chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong cac chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.