Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghia va da snippets" » "nghia xa da snippets", "nghia la da snippets", "nghi va da snippets", "nghia va dao snippets", "nghia va dau snippets", "nghia va dap 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: (((("nghia va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghia va da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghia va da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghia va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.