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