Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung den soc snippets" » "dung dien soc snippets", "dung de soc snippets", "dung dan soc snippets", "dung den hoc snippets", "dung den son 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 den soc 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 den soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung den soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung den soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.