Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung tru hon snippets" » "dung tri hon snippets", "dung thu hon snippets", "dung tu hon snippets", "dung tru hoc snippets", "dung thu hoan 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 tru hon 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 tru hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tru hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tru hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.