Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung lao do snippets" » "dung lam do snippets", "dung bao do snippets", "dung lai do snippets", "dung lao o snippets", "dung dao do snippets", "dung cao 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 lao do 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 lao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.