Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu dung voi snippets" » "huu tung voi snippets", "huu quang voi snippets", "thuy dung voi snippets", "huu dung von snippets", "huu dung doi snippets", "huu dung vi 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: (((("huu dung voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu dung voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu dung voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu dung voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.