Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tran cuu snippets" » "ban trang cuu snippets", "tan tran cuu snippets", "ban than cuu snippets", "ban tran huu snippets", "ban tra cuu snippets", "ban tranh cua 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 tran cuu 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 tran cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tran cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tran cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.