Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huong doi le snippets" » "huong dan le snippets", "trong doi le snippets", "dung doi le snippets", "huong do le snippets", "huong di le snippets", "huong doi 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: (((("huong doi le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huong doi le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huong doi le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong doi le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.