Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang loi du snippets" » "thang loi du snippets", "hang loi du snippets", "thanh loi du snippets", "tang loi tu snippets", "tang li du snippets", "tang toi du 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: (((("tang loi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang loi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang loi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang loi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.