Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan binh hoc snippets" » "tran binh hoc snippets", "tang binh hoc snippets", "van binh hoc snippets", "tan sinh hoc snippets", "tan benh hoc snippets", "tan hinh hoc 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 hoc 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 hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan binh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan binh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.