Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang du noi snippets" » "nang du noi snippets", "hang dau noi snippets", "dang duc noi snippets", "tang dau noi snippets", "tang nu noi snippets", "tang duoc noi 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 du noi 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 du noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang du noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang du noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.