Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy tan son snippets" » "huy tran son snippets", "huy toan son snippets", "duy tan son snippets", "huy tang son snippets", "huy van son snippets", "huy tay son 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 tan son 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 tan son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy tan son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy tan son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.