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