Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung doi cd snippets" » "huong doi cd snippets", "dung tai cd snippets", "dung co cd snippets", "dung doi co snippets", "dung doi ca 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 doi cd 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 doi cd snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung doi cd snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung doi cd snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.