Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang le cac snippets" » "tang le cac snippets", "dung le cac snippets", "dang de cac snippets", "dang ve cac snippets", "dang le cap snippets", "dang le 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: (((("dang le cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang le cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang le cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang le cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.