Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai thu doi snippets" » "hoai thu doi snippets", "hai thuy doi snippets", "phai thu doi snippets", "hai thuc doi snippets", "hai phu doi snippets", "hai thu hoi 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: (((("hai thu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai thu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai thu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai thu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.