Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan binh he snippets" » "tran binh he snippets", "tang binh he snippets", "van binh he snippets", "tan benh he snippets", "tan hinh he snippets", "tan tinh 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: (((("tan binh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan binh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan binh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan binh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.