Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy tra cho snippets" » "huy tran cho snippets", "huy tri cho snippets", "huyen tra cho snippets", "huy trang cho snippets", "huy tra chat snippets", "huy toan cho 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 tra cho 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 tra cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy tra cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy tra cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.