Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung ha nom snippets" » "dung va nom snippets", "dung he nom snippets", "dung khoa nom snippets", "dung han nom snippets", "dung ha noi snippets", "dung ha nam 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 ha nom 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 ha nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ha nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ha nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.