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