Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang cua de snippets" » "mang cua de snippets", "hang cua de snippets", "tang luan de snippets", "tang cua te snippets", "tang cua du snippets", "tang cua he 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 cua de 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 cua de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang cua de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang cua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.