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