Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung dan we snippets" » "dung dat we snippets", "dung san we snippets", "tung dan we snippets", "dung dan ve snippets", "dung can we snippets", "dung dan de 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 dan we 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 dan we snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan we snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan we snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.