Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghi va da snippets" » "nghi ve da snippets", "nghiep va da snippets", "nghiem va da snippets", "nghi va dao snippets", "nghi va dau snippets", "nghi 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: (((("nghi 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: (((("nghi va da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghi va da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghi va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.