Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai chu do snippets" » "hai chau do snippets", "hoi chu do snippets", "hai chi do snippets", "hai cau do snippets", "hai khu do snippets", "hai chu de 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 chu do 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 chu do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai chu do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai chu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.