Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong cua cat snippets" » "thong cua cat snippets", "trong cua cat snippets", "tuong cua cat snippets", "tong cua cac snippets", "tong cua vat snippets", "tong cua cay 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 cua cat 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 cua cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong cua cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong cua cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.