Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu ngu noi snippets" » "lieu nguon noi snippets", "lieu ngay noi snippets", "lieu nghe noi snippets", "lieu nu noi snippets", "lieu ngu nguoi snippets", "lieu nguoi 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: (((("lieu ngu 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: (((("lieu ngu noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu ngu noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu ngu noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.