Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy lam cac snippets" » "hay lam cac snippets", "huu lam cac snippets", "huy nam cac snippets", "huy lam chat snippets", "huy lam sach 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 lam cac 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 lam cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy lam cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy lam cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.