Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy cong dot snippets" » "huy cuong dot snippets", "huy dong dot snippets", "huy vong dot snippets", "huy cong mot snippets", "huy cong dong snippets", "huy cong doan 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: (((("huy cong dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy cong dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy cong dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy cong dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.